Name: Jacobsen GP400
Brand: Jacobsen
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CONTROLS 5

5.2 INSTRUMENT PANEL__________________________________________________

A: Starter Key Switch.

B: Throttle Control Lever.

C: Cutting Unit Switch (PTO).

D. Joystick.

E: Working Lights.

F. Engine Coolant Temperature.

G: Hour Meter.

H: Blocked Hydraulic Filter Warning Light.

J. Ignition Warning Light.

L. Mow / Transport Lever.

M Power Outlet.

N. Engine Oil Pressure.

P. Horn.

DIESEL

1234

12V

10A

QUARTZ

HOURS

CURTIS

1.1 IMPORTANT5
1.2 production identification6
- A. Maximum front axle load in Kg (for machines being driven on the highway)6
- B. Unladen weight, (No cutting implements or fuel (mass) in Kg6
- C. Maximum rear axle load in Kg (for machines being driven on the highway)6
- D. Power in Kw6
- E. Date code6
- F. Machine type (Designation)6
- G. Product code6
- H. Product name6
- I. Serial number6
- A. Weight of ROPS7
- B. Date Code7
- C. Standard Used7
- D. Part Number7
- E. Used on Product7
- F. Serial Number7
1.3 GUIDELINES FOR THE DISPOSAL OF SCRAP PRODUCTS8
- 1.3.1 DURING SERVICE LIFE8
- 1.3.2 END OF SERVICE LIFE8
1.4 parts manual9
- 1. Website – www.jacobsen.com and select the “FIND A MANUAL” tab at the top, search our catalogue of current Jacobsen Turf Equipment for parts, and product information. Search by product name to access PDF version of the parts manual.9
1.5 KEY NUMBERS9
- NOTES10
2.1 how to operate safely11
WARNING11
- 2.2 SAFE OPERATION11
- 2.3 PREPARATION11
- 2.4 OPERATION12
- 2.5 ROPS AND CABIN12
- 2.6 SAFE HANDLING OF FUELS13
- 2.7 MAINTENANCE AND STORAGE13
- 2.8 WHEN YOU PUT THE MOWER ON TO TRAILER14
- 2.9 IMPORTANT SAFETY NOTES15
WARNING15
WARNING15
WARNING16
WARNING16
WARNING16
WARNING16
WARNING16
WARNING16
WARNING17
WARNING17
CAUTION17
CAUTION17
- 3.1 ENGINE SPECIFICATION18
- CAT® - C0.718
- Cycle18
- 4 stroke18
- Number of Cylinders18
- 318
- Bore & Stroke18
- 67mm x 68mm (2.64 in) - 72mm (2.83 in)18
- Displacement18
- 0.762 Litres (46.5 in³)18
- Compression ratio18
- 22.1:118
- Gross Intermittent Power18
- 13.3kW (17.8hp) @ 3600rpm18
- Maximum Speed:18
- 3400 ± 50 RPM (No load)18
- 3500 ± 50 RPM (No load)18
- Idle Speed:18
- 1700 ± 100 RPM18
- 1800 ± 50 RPM18
- Order of Firing18
- 1-2-318
- Direction of Rotation18
- Counter-clockwise (viewed from flywheel side)18
- Injection Pump18
- Bosch MD type mini pump18
- Injection Pressure18
- 13.73 MPa (140kgf/cm²)18
- Injection Timing (Before T.D.C.)18
- 21°18
- 20°18
- Compression Ratio18
- 23.5:118
- Fuel:18
- No. 2-D Diesel fuel (ASTM D975)18
- Lubrication (API Classification)18
- Above CF grade18
- Oil Sump Capacity:18
- Maximum: 3.05 Litres / 5.36 pints - Minimum: 2.35 Litres / 4.13 pints18
- Dimensions (length x width x height)18
- 480mm (18.9 in) x 371mm (14.6 in) x 528mm (20.8 in)18
- Dry Weight18
- 71kg18
- Starting System18
- Cell starter (with glow plug)18
- Standard Starting Motor cold start limit18
- -20°C - (-4°F)18
  - 3.2 DIMENSIONS & weights19
- A19
- Width of Cut:19
- 160 cm19
- 63 inches19
- B19
- Overall Width Cutting:19
- 188 cm19
- 74 inches19
- Overall Width Transport (minimum):19
- 186 cm19
- 73.25 inches19
- C19
- Overall Height with ROPS Frame:19
- 196.5 cm19
- 77.38 inches19
- D19
- Overall Length Without Grass Boxes:19
- 219 cm19
- 86.2 inches19
- E19
- Overall Length With Grass Boxes:19
- 250 cm19
- 98.4 inches19
- F19
- Wheel Track:19
- 121.7 cm19
- 48 inches19
- G19
- Wheel Base 2 Wheel Drive:19
- 133.2 cm19
- 52.44 inches19
- G19
- Wheel Base 3 Wheel Drive:19
- 125.5 cm19
- 49.5 inches19
- H19
- Turning Circle 2 Wheel Drive:19
- 368 cm19
- 144.88 inches19
- H19
- Turning Circle 3 Wheel Drive:19
- 393.8 cm19
- 155 inches19
- Weight of Diesel Machine, No Fuel, Plus ROPS:19
- 590kg19
- 1390 lbs19
- Weight of one Cutting Unit 11 Knife19
- 31.6 kg19
- 69.6 lbs19
- Weight of one Brush & Groomer Kit:19
- 7 kg19
- 15.4 lbs19
- TYRE PRESSURE20
- Product20
- Front Wheel20
- Rear Wheel20
- Tyre Size20
- Tyre Type20
- Tyre Pressure20
- Tyre Size20
- Tyre Type20
- Tyre Pressure20
- GP40020
- 20 x 10.00 - 1020
- OTR Smooth20
- 0.7 bar20
- (10 psi)20
- 20 x 10.00 - 1020
- OTR Smooth20
- 0.7 bar20
- (10 psi)20
  - 3.3 MACHINE SPECIFICATION20
- Cutting unit drive: Direct Drive hydrostatic reel drive pump, bi-directional hydraulic gear motor with reel control and Backlap valves.20
  - 3.4 VIBRATION LEVEL21
- The machine was tested for hand/arm vibration levels. The operator was in the normal position to drive the vehicle, with two hands on the steering mechanism. The engine was in operation and the cutting device was in rotation, while the machine was no...21
- The Machinery Safety Directive 2006/42/EC21
- By compliance to:21
- The Lawnmower Standard BS EN ISO 539521
- Referenced to Hand/Arm: BS EN ISO20643:200821
- Information Supplied for Physical Agents Directive 2002/44/EC21
- By reference to:21
- Hand/Arm Standards: BS EN ISO 5349-1 (2001)21
- BS EN ISO 5349-2 (2002)21
- The machine was tested for Whole Body vibration levels. The operator was in the normal position to drive the vehicle, with two hands on the steering mechanism. The cutting device was in rotation with the machine driven in a straight line at 6 Km/hr o...21
- The Machinery Safety Directive 2006/42/EC21
- By compliance to:21
- Whole Body EN1032:200321
- Information Supplied for Physical Agents Directive 2002/44/EC21
- By reference to:21
- Whole Body Standards BS EN ISO 2631-1 (1997)21
- measurements according to the requirements of BS EN ISO 539521
  - 3.5 NOISE Level22
- When the machine was tested for sound power (Noise in the Environment).22
  - 3.6 SLOPES22
- DO NOT USE ON SLOPES GREATER THAN 16°. The 16° slope was calculated using static stability measurements according to the requirements of BS EN ISO 5395-201322
  - 3.7 Cutting unit SPECIFICATION23
- NOTE: These cutting units are designed to cut grass of maximum height 12mm (15/32 in) down to the available height of cut range, removing no more than 1mm (3/64 in) to 2mm (5/64 in) with each pass.23
  - 3.8 CUTTING PERFORMANCE24
  - 3.9 RECOMMENDED LUBRICANTS24
- TEMPERATURE24
- VISCOSITY24
- Above 4°C (39°F)24
- SAE3024
- Below 4°C (39°F)24
- SAE5W-30 or SAE10W-3024
  - 3.10 ACCESSORIES24
- 22 in. Segmented Roller 6867324
  - NOTES25
  - 4.1 decals26
  - 4.2 INSTRUCTION DECALS28
    - NOTES29
  - 5.1 Operator Workstation30
  - 5.2 INSTRUMENT PANEL31
    - 5.2.A STARTER KEY SWITCH32
NOTICE32
- 5.2.B THROTTLE CONTROL LEVER32
- 5.2.C CUTTING UNIT SWITCH (pto)32
- 5.2.D JOYSTICK33
- 5.2.E working lights33
- 5.2.F engine coolant temperature33
- 5.2.G hour meter33
- 5.2.H blocked hydraulic filter Warning light34
- 5.2.I multifunction warning light34
- 5.2.J multifunction warning light34
- 5.2.K oil pressure warning light34
- 5.2.L mow / transport lever35
- 5.2.M Power outlet35
- 5.2.N Horn button35
- 5.3 parking brake36
- 5.4 traction pedal36
- 5.5 steering wheel36
- 5.6 LIFT & LOWER RATE & SYNCHRONISATION control37
- 5.7 FREE WHEEL37
WARNING37
- 6.1 DAILY INSPECTION38
CAUTION38
- 1. Perform a visual inspection of the entire machine, look for signs of wear, loose hardware and missing or damaged components. Check for fuel and oil leaks to ensure connections are tight and hoses and tubes are in good condition.38
- 2. Check the fuel supply, radiator coolant level, crankcase oil level, hydraulic oil level and the air cleaner is clean. All fluids must be at the full mark with the engine cold.38
- 3. Make sure all cutting implements are adjusted to the same height of cut.38
- 4. Check all tyres for proper inflation. (Section 3.2).38
- 6.2 OPERATOR PRESENCE AND SAFETY INTERLOCK SYSTEM38
  - 1. The operator presence & safety interlock system prevents the engine from starting unless the operator is seated, Park Brake is on, the Cutter Engage (PTO) switch is off, and the Traction Pedal is in the neutral position. The system stops the engin...38
WARNING38
- 2. Perform each of the following tests to ensure the operator presence & safety interlock system is functioning properly. Stop the test and have the system inspected and repaired if any of the tests fail as listed below:38
- 6.3 OPERATING PROCEDURE39
  - 1. Under no circumstances must the engine be started without the operator seated on the machine.39
CAUTION39
NOTICE39
CAUTION40
- Remove all debris from the site before mowing. Enter a new area cautiously always operate at40
- speeds that allow you to have complete control of the mower.40
CAUTION40
- Before you clean, adjust, or repair this equipment, always disengage all drives, lower implements to the ground, engage parking brake, stop engine and remove key from ignition switch to prevent injuries.40
WARNING40
- 6.4 setting up THE MACHINE41
WARNING41
- Check the hydraulic system. Make sure the connections are tight and all hoses and lines are in good condition before pressurizing the system. Hydraulic system should be allowed to warm-up and re-check connections for leaks.41
WARNING41
NOTICE41
- 6.5 MOUNTING THE CUTTING HEADS42
NOTICE42
- All Jacobsen Cutting Units are backlapped at the factory, but the Bedknife adjustment must42
- be performed before the unit is put into use. Refer to the Bedknife Adjustment Procedure as described42
- in section 8.8 & 8.13 in this manual.42
CAUTION42
- 1. Cut all shipping straps holding the front pull frames in place and position the pull frames so the up stop bumpers contact the up stop brackets. Set cutting head drive motors and hoses away from the lift arms.42
- 2. With the reel enable switch in the “OFF” position, lower all three Cutting Unit lift arms and turn off the Unit and remove ignition key.42
- 3. Align the Cutting Unit at the front of the yoke frame. Secure cutting head to either side of the yoke frame using the shoulder bolt (A) on each side of the cutting head.42
- 4. To remove the Cutting Unit, undo shoulder bolts, applied in step 3.42
- 6.6 REEL MOTOR MOUNTING43
NOTICE43
- Check to MAKE SURE when the cutting heads are lowered to the turf, they must contact the turf evenly across the entire length of the cutting head. If the front cutting heads contact the level surface unevenly,43
  - 6.7 CUTTING CYLINDER LIFT & LOWER RATE & SYNCHRONISATION44
- The valves that control the rate and sequence in which the Cutting Units rise and fall are set at the factory, however they can be reset or altered using the following steps.44
NOTICE46
- 6.12 HOW TO STOP THE ENGINE46
CAUTION46
- 6.13 HOW To remove A blockage from cutting units46
NOTICE46
- 8. Use the Jacobsen “Cutting Unit Tool” part number 4184540 See below or stout stick, put into the cutting cylinder between the blades47
- 9. Rotate the cylinder with either the “Cutting Unit Tool” or “Stout Stick” until the obstruction has been removed.47
- 10. Inspect all the cutting surfaces for damage, when necessary replace the damaged components.47
- 6.14 BACKLAPPING47
- Jacobsen grinding paste:47
  - 6.15 Backlapping procedure48
NOTICE48
- 6.16 Transporting on a trailer OR FLATBED48
- 6.17 SLINGING and jacking THE MACHINE48
- Slinging48
- When slinging the machine use the tie down loops front and rear.48
- Jacking48
- The machine has three jacking points, one at the rear chassis engine mount and two on48
- the front chassis wheel motor mounting.48
  - 6.18 Mowing on slopes49
- The mower has been designed for good traction and stability under normal mowing conditions. Use caution when operating on slopes, especially when the grass is wet. Wet grass reduces traction and steering control.49
WARNING49
- To minimize the possibility of overturning, the49
- safest method for operating on hills and49
- terraces is to travel up and down the face of49
- the slope (vertically), not across the face49
- (horizontally). Avoid unnecessary turns, travel49
- at reduced speeds, and stay alert for hidden49
- hazards. To ensure best stability always load49
- the left hand storage rack first and cut with all49
- three units powered.49
- Correct tyre pressure is essential for maximum traction. See 3.2 Specification.49
WARNING49
- DO NOT USE ON SLOPES GREATER THAN 16°49
WARNING50
- When the machine is being used, whether50
- cutting grass or not, on slopes, the ROPS50
- frame should be deployed and the seat belt50
- used. This rationale is based on the fact that50
- a seat belt must be worn with a ROPS to50
- comply with the Machiney Directive50
- 2006/42/EC Sections 3.2.2, Seating & 3.4.3,50
- Rollover50
- Ransomes Jacobsen Limited recommends that50
- a local risk assessment is completed by the50
- owner/user of the machine to determine the risks50
- associated with working on slopes.50
- NOTES51
- 7.1 maintenance & lubrication chart52
- MainTENANCE & LUBRICATION CHART52
- Interval52
- Item52
- First 50 hours52
- l Change Engine Oil & Filter.52
- l Check Fan Belt Tension.52
- l Change Hydraulic Oil Filter.52
- Daily52
- 10 hours52
- l Check Engine Oil Level.52
- l Check Safety Interlock System.52
- l Check Engine Coolant Level52
- l Check Hydraulic Fluid Level52
- l Check Tyre Pressure.52
- l Check Air Filter Tell Tail Indicator*.52
- l Check for Hydraulic Leaks.52
- l Check Oil Cooler Screen.52
- l Check Oil Cooler Fins.52
- l Check Bedknife & Reel Blades.52
- l Walk-Around Inspection.52
- Weekly Every 50 hours52
- l Check for Loose Components.52
- l Check Fan Belt Tension.52
- l Check Engine Bay For Debris.52
- l Check Battery Condition. l Fuel Tank Water and Sediment - Drain.52
- Every 100 hours52
- l Change Engine Oil Filter.52
- l Check Fuel Filter For Water Contamination.52
- Every 200 hours52
- l Change Engine Oil.52
- l Change Inline Fuel Filter.52
- Every 250 hours52
- l Change Hydraulic Oil & Filters. l Alternator and Fan Belts - Inspect / Adjust.52
- Every 500 hours52
- l Change Air Filter Element*.52
- l Change Oil and Filter Element. l Check Safety Interlock System.52
- l Hoses and Clamps - Inspect / Replace.52
- l Radiator - Clean52
- End of season52
- Every 1000 hours52
- l Check Parking Brake Operation.52
- l Check Brake pads.52
- l Drain & Clean Fuel Tank52
- l Drain & Replace Engine Coolant52
- Lubricate all Grease fittings weekly52
- A = Lift Arm Pivot, B = Cutting Unit Pivot, C = Cutting Unit Bearing Housing, D = Steering Ram Ball Joint.52
- *Check more often in dirty conditions52
- IMPORTANT52
- Refer to Engine Manufacturers Manual for Additional Engine Maintenance Procedures52
  - Fluid Requirements53
- Quantity53
- Type53
- A53
- Engine Oil (with filter)53
- 3.0 litres53
- SAE10W 3053
- B53
- Hydraulic Oil (with filter)53
- 23 litres53
- GreensCare ISO VG 4653
- C53
- Radiator Coolant53
- 4.4 litres53
- 50% Anti-Freeze53
- D53
- Fuel53
- 55 litres53
- No 2-D (ASTM D975) Diesel53
  - 7.2 ENGINE ACCESS54
- The Fuel & Hydraulic Tanks can be raised for better access to the engine.54
- Support the tanks by pivoting the stay (B) beneath the tank and secure in the hole provided.54
WARNING54
CAUTION54
- 7.3 ENGINE LUBRICATION55
- Check Engine Oil Level55
- Check the engine oil level before starting or more than five minutes after stopping the engine.55
- Change Engine Oil55
CAUTION55
CAUTION55
- 7.4 AIR FILTER56
CAUTION56
- Clean Air Filter Element56
  - 7.5 ENGINE: FAN BELT56
- The fan belt is adjusted so that it has sufficient tension to avoid undue stress on alternator bearings but does not slip on the alternator pulley. Use the following procedure to check the belt tension at the mid-point of the belt between crank shaft...56
- 1. Loosen alternator bolt (A) and pivot bolt (B) on the underside of the alternator.56
- 2. Move the alternator to tighten or loosen the belt so that a deflection of 7 to 9 mm is achieved at the mid-span with a load 10Kgf (98N/22lbs).56
- 3. Re-tighten bolts.56
  - 7.6 ENGINE COOLANT _57
CAUTION57
- 7.7 AIR CLEANER57
- 7.8 OIL COOLER and RADIATOR58
- 7.9 prime the FUEL SYSTEM58
- Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the with suitable containers before opening any compartment or disassembling an...58
- Use the following procedure to prime the fuel system:58
- If air enters the fuel system, the air must be purged from the fuel system before the engine can be started. Air can enter the fuel system when the following events occur:58
CAUTION58
- Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product.60
- Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.60
- Dispose of all fluids according to local regulations and mandates.60
  - 7.10 replacing FUEL FILTERS60
  - 7.11 BATTERY61
WARNING61
WARNING61
WARNING61
- Wear eye protection when servicing battery.61
CAUTION61
- 7.12 HYDRAULIC SYSTEM62
- Check Hydraulic Oil Level62
- Check hydraulic oil level using sight gauge (C).62
- Change Hydraulic Oil62
- Change Hydraulic Oil Filter62
- IMPORTANT - Whenever the closed loop transmission circuit has been broken into, it is essential that the circuit is flushed prior to use. Absolute cleanliness must be observed when filling the hydraulic tank. Oil must be filtered through a 25 micron ...62
  - 7.13 Handbrake63
- Place the front axle on axle stands and remove the front wheels. Inspect the discs and pads for wear and replace63
- if necessary. Remove all debris from around the brake assembly and ensure the calliper is free to float.63
  - 7.14 Tyres63
- Keep tyres properly inflated to prolong tire life. Check inflation pressure while the tyres are cool. Use an accurate, low pressure tyre gauge.63
- Keep tires inflated to the air pressure specified. See Specifications 3.263
CAUTION63
- 7.15 MACHINE MAINTENANCE general64
- When washing machine with pressure spray washers or steam cleaners, avoid washing bearing areas because cleaning solutions might penetrate bearing seals and cause premature bearing failure.64
- Storage64
  - 7.16 Lubrication of cutting unit64
- Cleaning64
- The cutting heads should be washed after use each days and dried as well as possible to prevent rust.64
- Lubrication64
- The lubrication fittings at each end of both the front and rear rollers, as well as the reel bearings at each end should be lubricated periodically (approximately once each week). Use only enough lubricant to keep the bearings from drying out. Too mu...64
  - 8.1 TRACTION CONTROL PEDAL65
- ADJUSTING MOW SPEED65
  - 8.2 ADJUSTING SPEED CONTROL SWITCH66
- The speed control sensor is positioned under the control panel. The mechanism is activated when the speed control lever is cycled from the transport and mow positions.66
- To set the sensor (A), position the control lever in the “mow” position, loosen nuts (B), and adjust sensor until a gap of 4mm is achieved. Tighten nuts. Cycle control lever to the “transport” position, to ensure bolt head is clear of switch.66
- To ensure correct set-up, the cylinders MUST only rotate when the switch is activated. i.e the Mow position.66
  - 8.3 Steering ARM ADJUSTMENT66
- Support the control arm to avoid a sudden drop while adjusting its height. Loosen the Locking Lever (A) to allow the steering wheel and control arm to be adjusted up or down. Tighten the locking lever when steering wheel is at the desired position.66
WARNING66
- DO NOT attempt to adjust the control arm66
- position while the machine is moving.66
- The operator may loose control, causing66
- possible injury to themselves or bystanders.66
- 8.4 REAR SWING OUT ARM67
- The rear swing out arm is to allow you easy access to the rear cutting head. The cutting heads must be in the raised position.67
- DO NOT swing the arm out with the cutting heads in the lowered position.67
WARNING67
- 8.5 LevELLING LINKAGE FOR THE FRONT CUTTING HEADS68
WARNING68
- 8.6 SEAT ADJUSTMENT69
- Milsco XB20069
- Pull out on the adjustment lever located under the left side of the seat. Slide the seat to the desired position and release the lever.69
- Grammer MSG 6569
- Safety69
- Weight adjustment70
- • To prevent damage to the health and material, the setting for the driver’s weight must be checked and adjusted as necessary before the vehicle is driven.70
- • When the minimum/maximum has been reached, you can notice an empty movement in the handle.70
- • When you have set the weight, fold the lever completely into the locking.70
- Fore/aft adjustment71
- The fore/aft adjustment is released by lifting the locking lever.71
WARNING71
- Risk of accident.71
- Do not operate the locking lever while driving.71
WARNING71
- Risk of crushing.71
- only touch the lever at the indented grip, do not reach back under the lever.71
- • After the adjustment, the locking lever must latch into the desired position with an audible click. It should not be possible to move the driver’s seat into another position when it is locked.71
- • Do not lift the locking lever with your leg or calf.71
- Lumbar support71
- The lumbar support increases both the seating comfort and the performance of the driver. By turning the adjustment knob upwards, the curvature in the upper part of the backrest cushion can be adjusted. By turning the knob downwards, the curvature in ...71
- 0 = No curvature71
- 1 = Max. curvature at the top71
- 2 = Max. curvature at the bottom.71
- Backrest adjustment71
- Pull up the locking lever to release the backrest catch. When releasing the backrest catch, do not apply load to the backrest by pressing against it. By exerting pressure on or off the front or rear part of the seat pan it can be moved to the desired...71
- • It should not be possible to move the backrest into another position after it has been locked.71
- Armrests72
WARNING72
- If the belt roller is fitted, do not install the armrest in the lowest position as otherwise the belt roller might not function correctly. Carry out a functional test of the belt roller.72
- Armrest adjustment72
- Maintenance72
CAUTION72
- ATTENTION: Do not clean the seat with a pressure washer.72
- 8.7 Bedknife-To-Reel TrueSet™ Reel74
CAUTION74
- To prevent personal injury and damage to the cutting edges, wear gloves and handle the reel74
- and bedknife with extreme care.74
- Too much clearance between the bedknife and the blades will result in poor cutting quality.79
- Too little clearance will cause excessive wear to the cutting edges and may cause damage to the79
- bedknife, reel blades or other components.79
WARNING79
WARNING79
- 8.14 HEIGHT OF CUT Classic XP™ reels80
- Any adjustment to the clearance between the reel blades and the bedknife should be done at the leading end of the reel first (the end at which each individual blade first crosses the bedknife). Then at the opposite end of the reel.80
- Too much clearance between the bedknife and the blades will result in poor cutting quality.80
- Too little clearance will cause excessive wear to the cutting edges and may cause damage to the80
- bedknife, reel blades or other components.80
  - 8.15 HEIGHT OF CUT Classic XP™ reels81
- Work Bench Setting.81
- All three cutting heads MUST be accurately set at the same height of cut to ensure an even cut.81
WARNING81
- To avoid the possibility of serious injury, NEVER attempt any cutting head adjustments while the engine is running.81
WARNING81
- NEVER rotate the cutting reel by pushing it with your hands or fingers.81
- Fingers can become caught between the reel and the frame resulting in serious injury.81
- Use a ratchet with a 9/16” socket on the end of the reel shaft to rotate it during adjustments and testing.81
- 1. Direction/Speed Pedal65
- 2. Transport Stop65
- 3. Locknuts65
- 4. Mow Stop65
- 5. Locknuts65

Fuel Type	Diesel
Transmission	Hydrostatic
Engine Type	Diesel
Engine Power	24.8 hp
Cutting Height	0.25 - 2 inches
Turning Radius	18 inches

Jacobsen GP400 Service Manual

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Jacobsen GP400 Specifications

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