Cub Cadet 8454 - Manual (Page 109)

TRANSMISSION SYSTEM
4-5 D569-W02 May-2003
1.6 TROUBLESHOOTING FOR FRONT WHEEL DRIVE IN OPERATION ERROR
1.7 TROUBLESHOOTING FOR PTO CLUTCH IN OPERATION ERROR
1.8 TROUBLESHOOTING FOR PTO IN OPERATION ERROR
1.9 TROUBLESHOOTING FOR PARKING BRAKE IN OPERATION ERROR
Gear shift disconnected
Difficult to shift the front
wheel drive lever
Symptom
1. Separated or unfixed
φ
25 snap ring of front wheel
drive shaft
2. Deficient traveling distance due to interference
with the exterior lever traveling distance: 20 mm
(0.78 in.)
1. Held when shifted due to damages on spline part
of the shifter’s inside diameter
2. Held by retained burr installed in the shifter’s
inside diameter
3. Inclined due to transformation of front wheel drive
fork
Provable Causes
Assemble
Replace
Correct
Replace
Solution
PTO shaft does not
rotate when PTO is
activated
Symptom
1. Separated snap ring
2. Foreign substance intermixed in modulator valve
3. No power supply to solenoid valve
4. Damaged O-ring mounted on connecting pipe
5. Piston operation impossible due to O-ring held
between PTO clutch body and piston
6. Slipped due to clutch disc worn
7. Declined pressure due to oil leakage in sealed
section
Provable Causes
Replace
Replace
Re-assemble
Replace
Replace
Replace
Replace the damaged parts
Solution
PTO gear shift
disconnected
Heat in PTO
Noise in PTO
Oil leakage in PTO shaft
Symptom
1. Deficient traveling distance of the exterior lever
traveling distance: 7.5 mm (0.29 in.)
2. Interfered when shifted due to improper angle of
PTO shift fork
Little engagement due to PTO gear held
Worn or damaged parts installed inside
1. Damaged oil seal in PTO shaft section
2. Cut on oil seal or sleeve
Provable Causes
Remove the cause
Replace
Replace
Replace
Replace
Replace
Solution
Excessive or insufficient
deflection in parking brake
Parking brake
not activated
Symptom
Adjustment of brake rod length
Parking brake lever damaged
Provable Causes Solution
Readjust
Reassemble