ENGINE AND ENGINE SYSTEMS CD3340B/YB4411
6-8
Published 04/07/2015 Control # 569-00
ENGINE PUMP AND BRACKET REMOVAL
AND INSTALLATION
NOTE: In the following section the illustration and photos
are of the Tier 3 engine, the assembly for the Tier 4
engine is similar.
Special Tools
The special tools shown in Figure 6-3 are available from
Marine Travelift.
Removal
NOTE: The engine does not have to be removed from the
chassis to remove the pump and brackets. The
following instructions explain how to remove and
install the pump and brackets with the engine
installed in the chassis.
1. Set the machine on a level, firm surface.
2. Extend and lower each outrigger. Place a block under
each outrigger pad to raise the machine for easy access
to the pump and brackets.
NOTE: DO NOT solely rely on the outriggers to support the
machine. Place supports under the machine to
support the frame along with the outriggers.
3. Swing the boom to the side to gain access to the engine
compartment. Remove the engine compartment shroud.
4. Disconnect both battery cables from the battery.
5. Remove both rear tires. This will make it easier to obtain
access to the engine.
6. Drain the hydraulic oil from the hydraulic tank into a
CLEAN suitable container of approximately 25 gal
(94.6 l).
NOTE: If the hydraulic oil drained from the hydraulic tank is
to be reused, make sure the container is
completely clean. Contamination in the hydraulic
oil could damage the hydraulic pump after start up.
7. Disconnect and cap all hydraulic hoses at the hydraulic
pump.
8. Remove two capscrews (14) and flat washers (15).
9. Remove six capscrews (11), lockwashers (15), and flat
washers (16). Remove pump support bracket (7).
10. Support pump (1) and remove two capscrews (21),
lockwashers (22), and flat washers (23). Remove pump
(1).
11. Remove bolt (15) and washer (11) attaching pump
mounting bracket (8) to the frame.
Reference Only
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