JLG 4013PS Service Manual - Manual (Page 66)

Cab and Covers
4-4 3508PS, 3509PS, 3512PS, 3513PS, 4008PS, 4009PS, 4012PS, 4013PS, 4017PS, 40.8, 40.9
7. Start the engine and check the operation of steering
system. Check for hydraulic oil leaks. Check the
hydraulic oil level in the tank and add oil as required.
Wipe up any spilled oil.
8. Install the lower dash panel.
9. Close and secure the engine cover.
10. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
c. Power Steering Test
Conduct a pressure check of the steering hydraulic
circuits at the main control valve. Refer to Section 8.4.1,
“Hydraulic Pressures.”
4.3.2 Service Brake Pedal and Valve
a. Service Brake Valve
Refer to Section 8.9.2, “Service Brake Valve,” for removal
and installation information.
b. Service Brake Pedal Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower the boom,
place the transmission control lever in
(N) NEUTRAL, engage the park brake and shut the
engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and steering wheel, stating that the machine
should not be operated.
3. Open the engine cover. Allow the system fluids to
cool.
4. Properly disconnect the battery.
5. Remove the lower dash panel.
6. Remove the circlip, flat washer, bushing and the
return spring securing the service brake pedal to the
cab.
7. Remove the clip/pin from the brake plunger fork link.
8. Remove the service brake pedal (5) from the cab.
c. Service Brake Pedal Installation
1. Position the service brake pedal in its mounting
location within the cab.
2. Install the brake pedal being careful to reposition the
brake plunger yoke. Install the return spring, washer,
bushing and clip. Install clip/pin in brake plunger fork link.
3. Adjust the brake pedal as needed.
4. Install and secure the lower dash cover.
5. Properly connect the battery.
6. Close and secure the engine cover.
7. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
4.3.3 Throttle Pedal Replacement
a. Throttle Pedal Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower the boom,
place the transmission control lever in
(N) NEUTRAL, engage the park brake and shut the
engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and steering wheel, stating that the machine
should not be operated.
3. Open the engine cover. Allow the engine to cool.
4. Properly disconnect the battery.
5. Remove the lower dash panel.
MZ1960
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