Lull 944E-42 Service Manual - Manual (Page 69)

4-9 944E-42
Cab and Covers
13. Label, disconnect and cap the heater hoses at the
heater.
14. Remove the three capscrews and washers securing
the heater assembly to the cab.
15. Carefully slide the heater assembly forward and out
from under the seat support riser.
b. Heater Assembly Installation
Note: For machines equipped with air conditioning,
before the heater assembly can be installed, the air
conditioning hoses and electrical connections must be
completed by an authorized air conditioning service
technician.
1. Install the heater assembly (1) by tilting it up and
sliding it under the seat support riser.
2. Install the three cap screws and washers to secure
the heater assembly to the cab.
3. Install the coolant hoses (2) on the heater assembly
and tighten the hose clamps.
4. Connect all duct hoses to the heater assembly.
5. Connect heater wiring to the cab harness.
6. Install the seat mounting panel.
7. Install the operators seat.
8. Install the right side console access panel.
9. Refill the cooling system. Refer to Section 2.4, “Fluid
and Lubricant Capacities.”
10. Properly connect the batteries.
IMPORTANT: When the engine is initially started, run it
briefly at low idle and check the machine for any visual
sign of fluid leakage. STOP the engine immediately if
any leakage is noted, and make any necessary repairs
before continuing.
11. Wait for the engine to cool and check the coolant
level. Add coolant as required to bring the coolant to
the proper level.
12. Close and secure engine cover.
4.5 CAB REMOVAL
Note: To help ensure safety and optimum performance,
replace the cab if it is damaged. Refer to the appropriate
parts manual for ordering information.
Inspect the cab, its welds and mounts. If modification,
damage, a cracked weld and/or fatigued metal is
discovered, replace the cab. Contact an authorized
service distributor with any questions about the suitability
or condition of a cab.
Note: Remove and label cab components as needed
before removing the cab from the machine. Label,
disconnect and cap hydraulic hoses. Transfer cab parts
to the replacement cab after the replacement cab is
securely mounted on the machine.
1. Park the machine on a firm, level surface. Allow
sufficient overhead and side clearance for cab
removal. Level the machine, fully retract the boom,
lower the boom, place the travel select lever in the
(N) NEUTRAL position, engage the park brake and
shut the engine OFF.
2. Block all four wheels to help prevent the machine
from moving. Assure that there is sufficient overhead
and side clearance for cab removal.
3. Open the engine cover. Allow the system fluids to
cool.
4. Properly disconnect the batteries.
SU0101
1
2
WARNING
The protection offered by this ROPS/FOPS will be
impaired if subjected to any modification or structural
damage, at which time replacement is necessary.
ROPS/FOPS must be properly installed using
fasteners of correct size and grade, and torqued to
their specified value.