1-S53
L4400 , WSM
ENGINE
(2) Timing Gears, Camshaft and Fuel Camshaft
Timing Gear Backlash
1. Set a dial indicator (lever type) with its tip on the gear tooth.
2. Move the gear to measure the backlash, holding its mating gear.
3. If the backlash exceeds the allowable limit, check the oil
clearance of the shaft and the gear.
4. If the oil clearance is not correct, replace the gear.
W11264830
Idle Gear Side Clearance
1. Set a dial indicator with its tip on the idle gear.
2. Measure the side clearance by moving the idle gear to the front
and rear.
3. If the measurement exceeds the allowable limit, replace the idle
gear collar.
W11286770
Camshaft Side Clearance
1. Set a dial indicator with its tip on the cam gear.
2. Measure the side clearance by moving the cam gear to the font
and rear.
3. If the measurement exceeds the allowable limit, replace the
camshaft stopper.
W11299720
Backlash between idle
gear and crank gear
Factory spec.
0.0415 to 0.1122 mm
0.00163 to 0.00442 in.
Allowable limit
0.15 mm
0.0059 in.
Backlash between idle
gear and cam gear
Factory spec.
0.0415 to 0.1154 mm
0.00163 to 0.00454 in.
Allowable limit
0.15 mm
0.0059 in.
Backlash between idle
gear and injection pump
gear
Factory spec.
0.0415 to 0.1154 mm
0.00163 to 0.00454 in.
Allowable limit
0.15 mm
0.0059 in.
Backlash between crank
gear oil pump gear
Factory spec.
0.0415 to 0.1090 mm
0.00163 to 0.00429 in.
Allowable limit
0.15 mm
0.0059 in.
Idle gear side clearance
Factory spec.
0.12 to 0.48 mm
0.0047 to 0.0189 in.
Allowable limit
0.90 mm
0.0354 in.
Camshaft side
clearance
Factory spec.
0.07 to 0.22 mm
0.0028 to 0.0087 in.
Allowable limit
0.30 mm
0.0118 in.
KiSC issued 07, 2007 A
Tractor Manuals Scotland - Please Do Not Copy
Tractor Manuals Scotland
