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MODEL 75 MAINTENANCE
REMEMBER TO CHECK EVERYTHING ON THE CHECKLIST!
MAINTENANCE
What to Check
How often to check
Procedure
Page #
ü
Daily
(10 hrs.)
Weekly
(50 hrs.)
Monthly
(200 hrs.)
Quarterly
(400 hrs.)
Yearly
(2000 hrs.)
Tires X 26
Axle dust caps X 26
Safety procedures
reviewed
X 26
Anvil clearance,
tightness & wear
X 34 - 35
Alternator & fan belts X 27
Wheel lug nuts X 27
Steel friction areas X 27
Chain driven components X 27
Towing hitch X 27
Infeed wear X 27
Discharge wear X 27
Feedwheel motor
connections
X 41
Sharpness of feedwheel
teeth
X 27
Chipper sheave &
bearings
X 27
Hydraulic function pressure X 27
Wheel bearings X 27
Brakes X 27
Hydraulic oil lter(s) X 27
Discharge swivel plates X 27
Hydraulic oil X 27
Hydraulic suction screen(s) X 27
Fuel tank X 27
BOLT TORQUE CHART
(THESE TORQUES ARE BASED ON DRY, CLEAN THREADS)
DESCRIPTION BOLT SIZE TORQUE (FT.-LBS.) TORQUE (Nm)
Chipper Bearing Bolts 3/4” - 10 NC 300 - 325 406 - 440
Rear Chipper Bearing Bolts 5/8” - 11 NC 200 - 220 271 - 298
Anvil 1/2” - 13 NC 65 - 75 88 - 102
Knife Bolts 5/8” - 11 NC 180 245
Feedwheel Bearing Bolts 1/2” - 13 NC 75 102
Feedwheel Bearing Set Screws 3/8” - 24 NF 20 27
Grip-Tight Feedwheel Bearing Set Screws 2 3
Yoke Pivot Bearing Bolts 1/2” - 13 NC 75 102
Engine Hold Downs 5/8” - 11 NC 125 169
Engine Hold Downs 1/2” - 13 NC 60 81
“RS/TE” Hydraulic Feedwheel Motor Shaft Nut 3/4” - 28 NEF 150 - 170 203 - 230
Engine Sheave Bushing “SDS” 1/4” - 20 NC 9 12
Engine / Chipper Sheave Bushing “SK” 5/16” - 18 NC 15 20
Engine Sheave Bushing “Q1” 3/8” - 16 NC 30 41
Autofeed Cartridge Nut 4 - 6 5 - 8
Autofeed Plus Solenoid Retainer Nut 4 - 6 5 - 8
Hitch Mount Bolts 5/8” - 11 NC 220 298
Pump Coupler 1/2” - 13 NC 75 - 85 102 - 115
Before tightening bolts be sure you have the correct size bolt for the correct amount of torque.
Use only factory approved knives and hardware.
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