Section 7 - Lubrication and Maintenance
7-17
31200172
Hydraulic Return Filter
A. Hydraulic Return Filter Indicator Check
1. Apply park brake, shift transmission to "Neutral" and lower forks or attachment
to horizontal position.
2. Check hydraulic return filter indicator with engine at normal operating
temperature.
3. Have an assistant open the tank cover.
4. With the engine at full throttle and the assistant observing the indicator (
2
)
located on the hydraulic return filter (
1
), extend and retract the boom 10 to 12 ft
(3,0 to 3,7 m). The bar gauge should be within the green area.
5. Replace filter before the gauge reaches the red area on the indicator. If it
reaches the red area, the filter is too dirty and hydraulic oil is bypassing the
filter.
6. Close and secure the tank cover.
10
OW0970
OW1060
OX0170
1
2
Summary of Contents for GRADALL 544D-10
Page 24: ...Section 1 General Safety Practices 1 14 31200172 This Page Intentionally Left Blank...
Page 67: ...Section 5 Attachments 5 5 31200172 This Page Intentionally Left Blank...
Page 79: ...Section 5 Attachments 5 17 31200172 This Page Intentionally Left Blank...
Page 106: ...Section 5 Attachments 5 44 31200172 This Page Intentionally Left Blank...
Page 128: ...Section 7 Lubrication and Maintenance 7 20 31200172 This Page Intentionally Left Blank...
Page 130: ...Section 8 Additional Checks 8 2 31200172 This Page Intentionally Left Blank...
Page 138: ...Inspection Maintenance and Repair Log Date Comments...
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