TCM FD35C9 - 4.11 Tilt Cylinder Troubleshooting; 4.12 Mast Troubleshooting

4-6
4.11 TILT CYLINDER
Problem Probable cause Remedy
1. Oil leakage
Damaged “O”-ring between cap and cylinder Replace.
Oil leakage from cap packing Replace.
Piston rod damaged or bent Repair or replace.
2. Noisy while operating
Piston packing seized Replace.
Cylinder inner surface damaged Repair or replace.
Piston rod damaged or bent Repair or replace.
Pump or control valve defective
See “4.8 MAIN PUMP” and “4.9
CONTROL VALVE.”
3. Natural drop of piston
Piston packing damaged or worn Replace.
Cylinder inner surface damaged or worn Repair or replace.
Control valve defective See “4.9 CONTROL VALVE.”
4.12 MAST
Problem Probable cause Remedy
1. Noisy while lifting or
lowering
Side rollers unevenly worn or bearing damaged Replace.
End roller bearing damaged Replace.
Carriage bent Repair or replace.
Inner mast bent Repair or replace.
Lift cylinder piston rod bent Repair or replace.
Sheave bearing improperly greased or damaged Apply grease or replace.
2. Noisy while tilting
Mast support improperly greased or bushing worn Apply grease or replace.
Tilt cylinder connecting pin improperly greased
or bushing worn
Apply grease or replace.
Tilt cylinder piston rod bent Repair or replace.
3. Mast jolts when lifting
or lowering
Side rollers unevenly worn or bearing worn Replace.
End roller bearing damaged Replace.
Carriage or inner mast bent Repair or replace.