2. Inspect all pivot pins for wear. Make certain cot
ter pins 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 damage.
AFTER EACH USE
1. Clean all debris from machine.
4-2 LUBRICATION
(Figure 4-1)
NOTE
The multi-purpose 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)
Figure 4- 1 Lubrication Points
(3) Before
E h Use�
4. Bucket Pivot Pin - Apply multi-purpose grease to
each fitting (1 fitting each side)
5. Hydraulic Oil - Cycle boom and bucket cylinders
2 or 3 times before use than check hydraulic oil
level in tractor reservoir or loader reservoir,
whichever applicable. Use SAE-10 HD for loader
reservoir.
4-3 HYDRAULIC PRESSURE ADJUSTMENT
A hydraulic pressure setting of 2500 psi (172 bars) is
recommended for maximum efficiency and service.
Do not exceed 3000 psi (207 bars) as this will damage
components possibly causing serious injuries. The
Bush Hog control valve (optional) is pre-set at factory
and cannot be adjusted.
4-4 TROUBLESHOOTIN G
Troubleshooting procedures are listed in Table 4-1.
If the problem cannot be solved or replacement parts
are necessary, contact your authorized Bush Hog
dealer. Please have ready your machine name, model
number, serial number, purchase date, and exact
cause or description of problem.
