Maintenance
Hydraulic System
5
5-14 60HDdoc102619 Maintenance
2. Replace the hydraulic system cartridge filter every 500 hours of operation.
3. Inspect the hydraulic pump motor brushes every 750 hours of operation. Remove brush dust and
replace the brushes if they worn to a length of 1/4” or shorter.
CAUTION! Do not operate the hydraulic system if the pump motor
brushes are worn shorter than 1/4”. Damage to the pump motor may
result.
4. Periodically check all hydraulic lines and fitting as needed. Replace as necessary.
FIG. 5-5
Level A Fluid
Level B Fluid
Level C Fluid
HD0049B
120°
49°
40°
5°
80°
27°
0°
-18°
100°
38°
20°
-7°
60°
16°
-20°
-29°
110°
44°
30°
-1°
70°
21°
-10°
-23°
90°
32°
10°
-12°
50°
10°
-30°
-35°
F
C
TEMPERATURE
HYDRAULIC FLUID
Level A Fluid
Level B Fluid
Level C Fluid