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Raising the Cargo Box by Jumping the
Hydraulic System
CAUTION
Before servicing or making adjustments to the
machine, stop the engine, set the parking brake,
and remove the key from the switch. Remove all
load material that is loaded into the bed or other
attachment before working under a raised bed.
Never work under a raised bed without positioning
the safety support on the fully extended cylinder
rod.
2 hydraulic hoses, each with a male and female quick
coupler, that fit the vehicle couplers are required to
perform this operation.
1. Back another machine up to the rear of the disabled
machine.
Important: The machine hydraulic system uses
Dexron III ATF. To avoid system contamination,
make sure the vehicle used to jump the hydraulic
system uses an equivalent fluid.
2. On both machine, disconnect the 2 quick-coupler
hoses from the hoses secured to the coupler bracket
(Figure
75).
Figure 75
1. Quick-coupler hose A
2. Quick-coupler hose B
3. On the disabled machine, connect the 2 jumper hoses
to the hoses that were disconnected
4. Cap the unused fittings.
1. Disconnected hoses
5. On the other machine, connect the 2 hoses to the
6. Cap the unused fittings.
1. Jumper hoses
7. Keep all bystanders away from the machines.
8. Start the second machine, and move the lift lever to the
9. Move the hydraulic-lift lever to the neutral position,
10. Install the bed support onto the extended lift cylinder;
11. After completing the operation, remove the jumper
(Figure
76).
54
Figure 76
coupler still in the coupler bracket (connect the top
hose to the top coupler and the bottom hose to the
bottom coupler)
(Figure
77).
G019543
1
Figure 77
raise position which will raise the disabled cargo box.
and engage the lift-lever lock.
refer to
Using the Bed Support (page
Note: With both the machine turned off, move the lift
lever back and forth to remove the system pressure and
ease the disconnection of the quick couplers.
hoses and connect the hydraulic hoses to both
machines.
Important: Check the hydraulic fluid levels, in
both vehicles, before resuming operation.
2. Jumper hoses
34).
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