Installation - Komatsu 830E-AC Shop Manual

FIGURE 3-2. CAB HYDRAULIC AND ELECTRICAL CONNECTIONS
1. Cab
2. Steering Control Valve
3. Hydraulic Components Cabinet
12. Check for any other hoses or wiring which may
interfere with cab removal.
13. Lift the cab assembly off the truck and move to
an area for further service.
14. Place blocking under each corner of the cab to
prevent damage to floor pan and hoses before
cab is lowered to the floor.

Installation

1. Lift cab assembly and align mounting pad holes
with tapped pads. Insert at least one cap screw
and hardened washer at each of the four pads
prior to lowering cab onto the truck.
NOTE: The tool group shipped with the truck
contains the following tools which may be used to
remove the inner cap screws, as clearance is limited:
• PB8326 - 1-1/2" offset wrench
• TZ2733 - Tubular Handle
• TZ2734 - 3/4" torque wrench Adaptor
N02019
4. Hoist Valve Hoses
5. Electrical Harness Connectors
2. After cab is positioned, insert the remaining cap
screws and hardened washers. (32 total).
Tighten the cap screws to 950 N·m (700 ft lbs)
torque.
3. Route wire harnesses to the electrical connec-
tors on the rear corner of the cab (5, Figure 2-
2). Align cable connector plug key with recepta-
cle key and push plug onto receptacle. Carefully
thread retainer 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
indicator hoses.
Truck Cab N2-5