Hydraulic Tilt Cylinder - TM-10-3930-634-340208

TM 10-3930-634-34

driver's seat to gain access to the valve.

6 - 5 . Hydraulic Tilt Cylinder

(2) Tag and disconnect tubing and hoses, and cap

a. Removal.

all openings to prevent the entrance of dirt.

(1) Raise mast assembly and block with supports

(3) Refer to figure 6-5 and remove the dual over-

provided. Tilt forks to their full down position and dis-

center relief and replenishing valve.

connect and cap hydraulic lines.

b. Disassembly. Refer to figure 6-6 and disassemble

( 2 ) Refer to figure 6-7 and remove tilt cylinder.

the relief and replenishing valve.

b. Disassembly, Refer to figure 6-8 and disassemble

c. Cleaning and Inspection.

the hydraulic tilt cylinder.

(1) Clean all parts thoroughly, using solvent

c. Cleaning and Inspection.

P-D-680 or equal.

(1) Clean all metal parts thoroughly using solvent

(2) Inspect all parts for cracks, breaks, and burrs.

P-D-680 or equal. Dry thoroughly.

(3) Inspect all threads for damage.

(2) Inspect parts for wear, scoring, scratches,

(4) Replace defective parts.

nicks and burrs.

d. Reassembly. Refer to figure 6-6 and reassemble

(3) Inspect cylinder body for cracks.

the dual overcenter relief and replenishing valve.

(4) Replace defective parts.

e. Installation.

d. Reassembly. Refer to figure 6-8 and reassemble

(1) Refer to figure 6-5 and install the dual over-

the hydraulic tilt cylinder.

center relief and replenishing valve.

NOTE

(2) Remove caps and reconnect hoses and tubing.

Upon reassembly, use new packing. Torque

(3) Reinstall the console panel.

the rod end nut to 900-100 lb-ft torque, as

NOTE

specified in paragraph l-7b(8).

The dual relief valve is adjusted to

e. Test.

2100-2400 psi. The overcenter relief valve is

(1) Packing drag test.

adjusted to 3000 psi.

6-2