SECTION lV
MAINTENANCE
4-1 MAINTENANCE CHECK LIST
Perform scheduled maintenance as outlined below.
Lower machine to ground, turn off tractor and set
parking brake before doing maintenance inspections
or work. All bolts should be torqued as recommend-
ed in torque chart on inside of back cover unless oth-
erwise indicated.
CAUTION
USE A PIECE OF CARDBOARD OR WOOD RATHER
THAN HANDS AND WEAR EYE PROTECTION WHEN
SEARCHING FOR HYDRAULIC LEAKS. ESCAPING
HYDRAULIC OIL UNDER PRESSURE CAN PENETRATE
SKIN. IF OIL IS INJECTED INTO SKIN, IT MUST BE
SURGICALLY REMOVED WITHIN A FEW HOURS BY A
DOCTOR OR GANGRENE MAY RESULT.
WARNING
THE LOADER CAN FALL FROM HYDRAULIC SYS-
TEM FAILURE. TO AVOID SERIOUS INJURY OR
DEATH, SECURELY SUPPORT LOADER BEFORE
WORKING UNDERNEATH.
BEFORE EACH USE
1. Inspect hydraulic lines and fittings for wear or
leaks. Repair or replace if needed.
2. Inspect all pivot pins for wear. Make certain
cotterpins are installed to retain each pivot pin.
3. Check all bolts for tightness.
4. Perform BEFORE EACH USE lubrication per
paragraph 4-2.
5. During operation, listen for abnormal sounds
which might indicate loose parts or other dam-
age.
AFTER EACH USE
1. Clean all debris from machine.
4-2 LUBRICATION
(Figure 4-1)
NOTE
The multipurpose grease referenced in this section
is an NLGI Grade 2 type grease.
BEFORE EACH USE
1. Boom Pivot Pins- Apply multi-purpose grease to
each fitting (1 fitting each side)
2. Boom Cylinders- Apply multi-purpose grease to
each fitting (2 fittings each cylinder)
3. Bucket Cylinders- Apply multi-purpose grease
to each fitting (2 fittings each cylinder)
4. Bucket Pivot Pin- Apply multi-purpose grease to
each fitting (1 fitting each side)
5. Tractor Hydraulic Oil- Cycle boom and bucket
cylinders 2 or 3 times before use then check
tractor hydraulic oil level per tractor operator’s
manual.
Figure 4-1 Lubrication Points
(1) Before
Each Use
(3) Before
Each Use
(5) Before
Each Use
(2) Before
Each Use
(4) Before
Each Use
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