S250 Bobcat Loader
PM-5 Operation & Maintenance Manual
SERVICE SCHEDULE
Chart
Maintenance work must be done at regular intervals. Failure to do so will result in excessive wear and early failures. The
service schedule is a guide for correct maintenance of the Bobcat loader.
WARNING
Instructions are necessary before operating or servicing machine. Read and
understand the Operation & Maintenance Manual, Operator’s Handbook and
signs (decals) on machine. Follow warnings and instructions in the manuals
when making repairs, adjustments or servicing. Check for correct function
after adjustments, repairs or service. Untrained operators and failure to follow
instructions can cause injury or death.
W-2003-0903
SERVICE SCHEDULE HOURS
ITEM SERVICE REQUIRED
8-10 50 100
■
250
■
500
■
1000
Engine Oil Check the oil level and add as needed.
Engine Air Filter and Air System Check display panel. Service only when required. Check for leaks and
damaged components.
Engine Cooling System Clean debris from oil cooler, radiator & grill.
Lift Arms, Cylinders, Bob-Tach
Pivot Pins and Wedges
Lubricate with multi-purpose lithium based grease.
Tires Check for damaged tires and correct air pressure.
Seat Bar, Control Interlocks, Seat
Belt, Seat Belt Retractors
Check the condition of seat belt. Clean or replace seat beltretractors as
needed. Check the sear bar and control interlocks for correct operation. Clean
dirt and debris from moving parts.
Bobcat Interlock Control Systems
(BICS™)
Check that four (4) BICS™ indicator lights and functions are activated. See
details in this Manual.
Safety Signs and Safety Treads Check for damaged signs (decals) and safety treads. Replace any signs or
safety treads that are damaged or worn.
Operator Cab Check the fastening bolts, washers and nuts. Check the condition of the cab.
Indicators and Lights Check for correct operation of all indicators and lights.
Fuel Filter Remove the trapped water.
Heater and A/C Filters Clean or replace filters as needed during heating/cooling season.
Hydraulic Fluid, Hoses and
Tubelines
Check fluid level and add as needed. Check for damage and leaks. Repair or
replace as needed.
Final Drive Trans. (Chaincase),
Foot Pedals or Hand Controls,
and Steering Levers
Check oil level. Check for correct operation. Repair or adjust as needed.
Wheel Nuts ❏Check for loose wheel nuts and tighten to 142-156 Nm torque.
Parking Brake Check operation.
Battery Check cables, connections and electrolyte level. Add distilled water as needed.
Engine/Hydro. Drive Belt
*Check for wear or damage. Check idler arm stop.
Alternator Belt Check tension and adjust as needed.
Air Condition Belt Check belt for wear. Adjust or replace as needed.
Bobcat Interlock Control System
(BICS™)
Check the function of the lift arm by-pass control.
Fuel Filter Replace filter element.
Steering Shaft Grease fittings.
Fan Drive Gearbox Check gear lube level.
Hydraulic Reservoir Breather Cap
Replace the reservoir breather cap.
Hyd./Hydro. Filter ●Replace the filter element.
Engine Oil and Filter Replace oil and filter. Use CD or better grade oil and Bobcat filter.
^
❍
Final Drive Trans. (Chaincase) Replace the fluid.
Hydraulic Reservoir Replace the fluid.
Case Drain Filters Replace the filters.
❏ Check wheel nut torque every 8 hours for the first 24 hours.
* Inspect the new belt after first 50 hours.
● Also replace hydraulic/hydrostatic filter element when the transmission warning light comes ON.
^ First oil and filter change must occur at 50 hours; 500 hours thereafter.
❍ When operating under severe conditions, change oil and filter every 250 hours.
■ Or every 12 months.
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