Lull 944E-42, Service Manual

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9.33 Model 644E-42/944E-42 Rev. 6/04
Electrical System
9. When reassembling the cover (7) to the side
console, torque the capscrews to 7 - 8 lb-ft
(9,5 - 10,6 Nm).
10. If the vehicle has dual batteries, connect both
negative battery cables (1 and 2) to both batteries.
Connect the lower negative battery cable (1) to the
negative (-) terminal on the lower battery (3). Swing
the upper battery box (6) in and make sure that the lip
(5) on the upper battery box slides below the knob
(4). Secure in place with the knob (4).
Testing Relays located in the Engine Compartment
1. Be sure the vehicle is on a level surface, the
implement grounded, parking brake engaged,
ignition switch is in the OFF position
2. Unlock and open the engine cover.
3. If the vehicle has dual batteries, disconnect both
negative battery cables (1 and 2) from both
batteries.
To access the lower battery (3), loosen the knob (4)
far enough so that the lip (5) on the upper battery box
clears the knob. Lift up the upper battery box (6) and
swing it out, so that the box clears the hydraulic tank
support bracket, to gain access to the lower negative
battery cable (1). Disconnect the lower negative
battery cable.
4. To remove the relays from inside the engine
compartment, label and remove all the wires
connected to the suspect relay.
To access the terminal nuts and washers on the grid
heater relays, lift the protective cover (14) and slide it
along the wire, away from the mounting hardware.
Save the terminal nuts and washers (15) for later
reassembly.
5. Remove the mounting hardware (16) from the
mounting bracket on the relay. Remove the relay
from the engine compartment.
6. Inspect the general condition of the relay casing and
terminals. Replace the relay if it is cracked or
damaged in any way.
87A
87
86 85
30
MT3140
13
12
MU5420
15
16
14