Lull 944E-42 Service Manual - Manual (Page 124)

Cab and Covers
4.20 Model 644E-42/944E-42 Rev. 6/04
4.3.9 Single Joystick Assembly
Replacement (Optional)
a. Single Joystick Assembly Removal
1. Park the vehicle on a firm, level surface. Level the
vehicle, ground the attachment, place the travel
select lever in the (N) NEUTRAL DETENT position,
engage the parking brake switch and shut the
engine OFF.
2. Unlatch and open the engine cover. Allow the
hydraulic fluid to cool.
3. Remove the capscrews and washers (1) securing
the right side access panel (2) and joystick mounting
console (3).
4. Lift the joystick console (4) away from the cab and
label the hoses (5) and electrical connectors
(6 and 7).
5. Disconnect and plug the hydraulic hoses (5) and cap
the fittings (8) on the joystick valve (9).
6. Unplug the electrical connector (7).
7. Lift the bottom of the boot (10) up to access the
joystick assembly (11) mounting hardware.
8. Remove the four capscrews (12) and flat
washers (13) securing the joystick assembly (11) to
the joystick console assembly (14).
9. Lift the joystick assembly (11) out of the joystick
console assembly (14).
Note: For further joystick handle replacement
instructions, see: Section 9.14.10, b. “Front Joystick
Handle Replacement,” or Section 9.14.11, c. “Late
Production Single Joystick Handle Replacement.” For
joystick valve disassembly instructions see Section
8.12.3, “Joystick Valve (Dual Joystick),” or Section
8.12.5, “Joystick Valve (Single Joystick).”
WARNING:
Hot hydraulic fluid can
cause severe burns. Wait for hydraulic fluid to
cool before servicing any hydraulic
component.
WARNING:
Hydraulic fluid leaking under
pressure can penetrate the skin, cause infection,
gangrene, and death or serious personal
injury. If injured, see a doctor immediately.
Relieve all pressure before disconnecting any
component, part, line or hose. Slowly loosen
parts and allow release of residual pressure
before removing any parts or component.
MU6210
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MU6220
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