Lull 944E-42 Service Manual - Manual (Page 123)

4.19 Model 644E-42/944E-42 Rev. 6/04
Cab and Covers
b. Front, Rear and Frame Sway Joystick Assembly
Installation
Note: Use new oiled o-rings as required. ALWAYS
replace seals, o-rings, gaskets etc., with new parts to
help ensure proper sealing and operation. Lubricate
seals and o-rings with clean hydraulic fluid.
Note: Torque all the fittings as specified in Section 2.3,
“Torques.”
1. Install the joystick through the bottom of the console
and fasten using four capscrews (10) on the front
and rear joysticks and/or two flat washers and two
capscrews (10) on the frame sway joystick. Torque
the capscrews to 5 - 9 lb-ft (7 - 12,5 Nm).
2. Connect the hydraulic hoses (5) to the fittings (7) on
the joystick.
Note: The rear and frame sway joysticks do not have
electrical features.
3. Connect the electrical plug (9) (front joystick only).
Note: Check the routing of all hoses, wiring and tubing
for sharp bends or interference with any rotating
members, and install tie wraps and/or protective conduit
as required.
4. Place the joystick console (3) on the cab and secure
with three capscrews and flat washers (1). Torque
the capscrews to 5 - 9 lb-ft (7 - 12,5 Nm).
5. Install the capscrews and washers (1) securing the
right side access panel (2). Torque the capscrews to
7 - 8 lb-ft (9,5 - 10,6 Nm).
Note: Check for leaks and repair as required before
continuing. Add hydraulic fluid to the reservoir as
needed.
6. After replacing a joystick assembly, check for proper
performance of all joystick functions.
7. Refer to Section 8.7, “Hydraulic System Testing.”
8. Wipe up any hydraulic fluid spillage in, on, near and
around the vehicle, work area and tools.
MU4180
7
10
8
9
11
7
8
10
Front and Rear
Joystick
11
Frame Sway
Joystick