Control Levers and Linkage - TM-10-3930-624-340096

(3) Remove the plug from the front end of the

(3) Remove capscrew (5) and washer (6).

valve body adjacent to the high pressure inlet port.

Remove lever (7) which is keyed to the control

Connect an oil pressure gage to the port as shown in

handles (9). and remove the control handles.

figure 5-11. The gage should be calibrated to

approximately 3000 psi.

ME 3500-624-34/5-11

Figure 5-11. Adjusting relief valves.

(4) Start the engine and run at 600 rpm.

(5) Remove the washer from the body nut.

Place a nut driver over the poppet adjusting screw

and engage the slots in the adjusting plug as shown

in figure 5-11.

ME 3930-624-34/5-12

(6) Run the tilt cylinder to the end of its stroke

and hold it in this position long enough for pressure

Cotter pin

6. Washer

to show on the gage. Turn the adjusting plug in or

7. Lever

nut until a pressure reading of 150 to 250 psi above

8. Key

Link

the required relief valve setting of 1950 psi is

9. Handle

Link

reached.

Capscrew

10. Knob

(7) Taking care not to disturb the position of

Figure 5-12. Control levers.

the adjusting plug, loosen the pilot valve adjusting

screw several turns (fig. 5-11).

b. Cleaning and Inspection.

(8) Install the larger of the two washers and

(1) Clean all metallic parts in cleaning

the locknut. Do not tighten the locknut.

solvent.

(9) With a screwdriver in the slot of the ad-

(2) Inspect all parts for cracks, distortion and

justing screw, accelerate the engine to a high rpm

excessive wear. Replace as necessary.

and actuate the tilt cylinder to the end of its stroke.

c. Installation. (fig. 5-12.)

Turn the adjusting screw in or out until a pressure

(1) Slide control handles (9) through truck

reading of 1950 psi 50 psi is obtained on the

frame. Install key (8) in keyway on control handle

gage.

shaft.

(10) While holding the adjusting screw in

(2) Install control lever (7). washer (6) and

position. install and tighten the locknut. Install the

capscrew (5) on control handle shaft. Tighten

second washer and cap nut.

capscrew securely.

5-7. Control Levers and Linkage

(3) Install links (3 and 4) to the plungers of

a. Removal. (fig. 5-12.)

valve and to control lever (7). Secure links with pin

(1) Remove four capscrews, washers, and nuts

(2) and cotter pin (1).

securing the cowl to the truck frame. Remove the

5-8. Tilt Cylinder

cowl to obtain access to the control valve and

a. Removal.

linkage.

(1) Place the mast in forward position. Hold

(2) Remove cotter pin (1) and pin (2) securing

the mast in position with a chain hoist.

links (3 and 4) and remove the links.

5-12