Cab Door; Installation; Removal - Komatsu 930E-2 Shop Manual

Dump truck w/ cummins qsk60 engine
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9. Remove the capscrews and washers from each
mounting pad (1, Figure 2-1) at the corners of the
cab.
10. Check for any other remaining hoses or wiring
which may interfere with cab removal.
11. Lift the cab assembly off the truck and move to an
area for further service.
12. Place blocking under each corner of the cab to
prevent damage to floor pan and fittings before
cab is lowered to the floor.

Installation

1. Lift cab assembly and align mounting pad holes
with tapped pads. Insert at least one capscrew
and hardened washer at each of the four pads
prior to lowering cab onto the truck.
2. After cab is positioned, insert the remaining cap-
screws and hardened washers. (32 total). Tighten
the capscrews to 700 ft. lbs. (950 N.m) torque.
3. Route wire harnesses to the electrical connectors
on the rear corner of the cab (4, Figure 2-2). Align
cable connector plug key with receptacle key and
push plug onto receptacle. Carefully thread re-
tainer onto receptacle and tighten securely. Install
clamps if removed during cab removal.
4. Remove caps from hydraulic hoses and tubes and
reinstall. Reinstall hose clamps as required.
5. Install heater hoses and clamps on fittings on
underside of cab. Connect other end of hose to
fittings at shutoff valves on engine. Open heater
shutoff valves. Connect air cleaner restriction in-
dicator hoses.
6. Remove caps and reinstall air conditioning system
hoses from compressor and receiver/drier.
7. Refer to "Heater/Air Conditioning System" in Sec-
tion M for detailed instructions regarding evacu-
ation and recharging with refrigerant.
8. Close brake accumulator bleed down valves.
9. Close battery disconnect switch.
10. Service hydraulic tank and engine coolant as
required.
11. Start the engine and verify proper operation of all
controls.
12. Complete air conditioning system recharging pro-
cedures.
N2-4

CAB DOOR

The cab door assemblies are similar except for the
hinge side. Each is hinged on the rear edge with a
heavy duty hinge. For repairs on the door latches or
window controls it is usually better, but not necessary,
to remove the door from the cab and lower it to the floor
for service.

Removal

1. If overhead space is available, raise body to allow
access to door with overhead hoist. Secure body
in raised position with safety cables.
2. Lower door glass far enough to allow insertion of
lifting sling when door is removed.
3. Remove door panel for access to power window
motor harness connector. Disconnect motor and
remove cab harness from door.
4. Remove the retainer clip and bolt clip from the
travel limiting strap.
5. Insert lifting sling through door and attach to hoist.
Remove capscrews (a swivel socket wporks best)
securing door hinge to cab and lift door from cab.
6. Place door on blocks or on a work bench to protect
the window glass and allow access to internal
components for repair.
Installation
1. Attach sling and hoist to door assembly, lift door
up to the deck and position door hinges to cab.
2. Align door hinges with cab and install capscrews
securing door to cab.
3. Attach the travel limiting strap with the bolt and
clip removed previously.
4. Reconnect door harness to receptacle mounted
in the cab floor.
5. Verify proper operation of power window and door
latch adjustment.
6. Install door panel.
Truck Cab
N02015 4/00

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