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CooLift
®
CHANGING HYDRAULIC PUMP
TOOLS NEEDED:
7/16” WRENCH
11/16” WRENCH
1/2” WRENCH
10mm WRENCH
13mm WRENCH
#3 PHILLIPS HEAD SCREWDRIVER
DRIP PAN
ABSORBING MATERIAL (for containing spills)
Note: It is important to keep the CooLift upright at all times.
CAUTION:
Hydraulic fluid is an extreme slip hazard on any flooring surface.
Hydraulic fluid can be a skin irritant in rare instances and should be washed off
with soap and water.
If hydraulic fluid is exposed to the eye, flush immediately and continuously
for 15 minutes.
1)
Place the CooLift on a level flooring surface with the holding brake engaged.
2) Turn off main power switch.
3) Remove the battery box (see Replacing Battery Box).
4) Disconnect each wiring harness (B) from the pump connections using the 10mm and 13mm
wrenches.
5)
Disconnect the hydraulic hose (A) that connects the pump to the bulk head fitting located in the
base plate at the pump end using the 11/16” wrench and drain as much of the hydraulic fluid as
possible into the drip pan.
6) Remove the three screws (F) that hold the pump mount plate (C) to the vertical slides using the #3
Phillips head screwdriver. NOTE: Take care to support the pump and pump mount plate when tak-
ing out the screws to avoid dropping on your fingers.
7)
Set the pump assembly (D) to be replaced on the floor or a bench in an upright position resting on
the pump reservoir and remove the three pump mount screws (E) located on the back of the pump
mount plate (C) using the #3 Phillips head screwdriver.
8) Secure the new pump assembly (D) to the pump mount plate (C) using the three previously re-
moved screws and tighten using the #3 Phillips head screwdriver.
9) Secure the pump mount plate (C) to the vertical slides using the three previously removed screws
and tighten using the #3 Phillips head screwdriver.
10) Reconnect the hydraulic hose (A) back on the pump body using the 11/16” wrench.
11) Reconnect each wiring harness (B) to pump connections using the 10mm and 13mm wrenches.
12) Reinstall the battery box (see Replacing Battery Box).
13) The hydraulic system should be purged of all air within the system (see Bleeding the Hydraulic
System).
