Engine Mounting; Removal; Installation - Komatsu 930E-2 Shop Manual

ENGINE

Removal

Refer to instructions in previous sections for removal
instructions for the Power Module, alternator, and ra-
diator assembly.
The engine weighs approximately 19,430 lbs. (8815
kg) wet. Be sure lifting devices are capable of
handling the load safely.
1. Disconnect any remaining wiring or hoses be-
tween the engine and subframe.
2. Remove capscrews and lockwashers (5, Figure
4-7) securing front engine mount to subframe.
3. Attach spreader bar with lifting straps at front lift
hooks and rear lift hooks (6) on engine. Remove
capscrews and lockwashers (2) at rear engine
mount securing engine to cradle structure (1).
Always use a spreader bar to ensure lift straps are
vertical at each lift hook.
4. Lift engine from subframe and move to clean work
area for further disassembly.
1. Cradle Structure
2. Capscrews and Lockwashers
C4-6
Service
Complete instructions covering the disassembly, as-
sembly and maintenance of the engine and its compo-
nents can be found in the engine manufacturer's
service manual.

Installation

1. Align engine to subframe and install front mount-
2. Install alternator on engine following instructions
3. Tighten rear engine mounting capscrews (2) to
4. Adjust setscrew (3, Figure 4-2) to equalize gap (5)
FIGURE 4-7. ENGINE MOUNTING
3. Engine Subframe
4. Engine
Power Train
ing capscrews and lockwashers (5, Figure 4-7).
Align and install rear engine mounting capscrews
and lockwashers (2) through cradle structure, but
do not tighten at this time. Tighten front mount
capscrews to 345 ft. lbs. (465 N.m) torque.
for "Engine/Alternator Mating".
345 ft. lbs. (465 N.m) torque after alternator is
installed.
between cradle structure (1) and subframe (4) at
left and right side. Lock setscrew with jam nut (2).
5. Capscrews and Lockwashers
6. Engine Lift Hooks
C04023 03/01