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12
PERIODIC MAINTENANCE
CHECKING HYDRAULIC FLUID
CAUTION
Keep dirt, water and other contaminants from entering the hydraulic system.
Before opening the hydraulic !
uid reservoir " 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:
Use correct grade of hydraulic ! uid for your location.
See TABLES 13-1 & 13-2 for recommended brands.
1. Unstow and lower Liftgate to ground.
REMOVE/REINSTALL PUMP COVER
FIG. 12-1
3. Check the hydraulic ! uid level in
reservoir as follows. With Liftgate on
ground, level should be as shown in
FIG. 13-1.
NOTE: If the hydraulic ! uid in the
reservoir is contaminated, do
the CHANGING HYDRAULIC
FLUID procedure in this section.
PUMP COVER
LATCHES
(2 PLACES)
PUMP
UNIT
(REF)
2. Unlatch and remove pump cover
(FIG. 12-1)
.
CAUTION
Do not "
ll reservoir above the FULL
mark. Hydraulic ! uid can over! ow
from the reservoir.
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