Cub Cadet 8354, Руководство по обслуживанию, Страница: 73 / 289

ENGINE SYSTEM
2-51
D615-W02 May-2003
615W2A5A
615W2A4A
(B) Idle gear side clearance
1. Pull the idle gear collar 2 (1) and push the idle gear
(2) to each end.
2. Measure the clearance A between the idle gear and
the idle gear collar 2 with a feeler gauge.
3. If the clearance exceeds the allowable limit, replace
the idle gear collar 1 (3).
Side
clearance 0.20 ~ 0.51 mm
0.0079 ~ 0.0201 in.
0.9 mm
0.035 in.
(1) Idle Gear Collar 2 (3) Idle Gear Collar 1
(2) Idle Gear
(C)Cam gear side clearance
1. Pull the cam gear (2) with the camshaft (1) to its
end.
2. Measure the clearance A between the cam gear (2)
and the camshaft stopper (3).
3. If the clearance exceeds the allowable limit, replace
the camshaft stopper (3).
Side
clearance Factory
spec.
Allowable
limit
0.07 ~ 0.22 mm
0.0028 ~ 0.0087 in.
0.3 mm
0.0118 in.
(1) Camshaft (3) Camshaft Stopper
(2) Cam Gear
Factory
spec.
Allowable
limit
615W2A3A
2) Timing gears and camshafts
(A) 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 shafts and the gear.
4. If the oil clearance is improper, replace the gear.
Clearance Factory
spec.
Allowable
limit
0.04 ~ 0.11 mm
0.0016 ~ 0.004 in.
0.15 mm
0.0059 in.
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