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39
STEP 8 - CHECKING HYDRAULIC FLUID
CAUTION
Keep dirt, water and other contaminants from entering the hydraulic system.
Before opening the hydraulic fl uid reservoir fi ller cap, drain plug and hydrau-
lic lines, clean up contaminants that can get in the openings. Also, protect the
openings from accidental contamination.
+50 to +120 Degrees F - Grade ISO 32
Below + 70 Degrees F - Grade ISO 15 or MIL-H-5606
NOTE: Liftgate is shipped with ISO 32 oil. Use correct oil for climate conditions.
See TABLES 40-1 & 40-2 for recommended brands.
2. If needed, add fl uid to the reservoir
as follows. Pull out (no threads) fi ller
cap (FIG. 39-1). Fill the reservoir with
hydraulic fl uid to level shown in (FIG.
39-1). Reinstall fi ller cap (FIG. 39-1).
3. Bolt on the pump cover as shown in
FIG. 39-2. Hand tighten the threaded
cover knobs.
1. Check the hydraulic fl uid level in
reservoir as follows. With Liftgate
stowed, or platform at vehicle bed
height, level should be as shown in
FIG. 39-1.
CAUTION
Pump cover must be correctly se-
cured to prevent it from becoming
a hazard. To secure pump cover,
the long side of the holder fl ats
must butt against pump cover as
shown in the illustration.
LONGER SIDE OF
HOLDER FLATS BUTT
AGAINST COVER
BOLTING ON PUMP COVER
FIG. 39-2
PUMP
COVER
KNOB
(2 PLACES)
POWER UNIT
(REF)
FLAT WASHER
(2 PLACES)
POWER UNIT FLUID LEVEL
FIG. 39-1
FILLER
CAP
RESERVOIR
3”
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