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4-8
Routine Service and Maintenance
Before starting the engine:
• Move all hydraulic control levers forward and release the lever. Make sure that
each lever automatically returns to the Neutral position.
• Move all hydraulic control levers rearward and release the lever. Make sure that
each lever automatically returns to the Neutral position.
• Step on the trencher operator presence control and shift the Trencher Control Lever
to the right into the trenching position. The control lever should remain in that posi-
tion as long at the operator presence control is held down. Releasing the operator
presence control returns the Trencher Control Lever to the neutral position.
• If any of the levers, other than the Trencher Control Lever, do not automatically
return to the Neutral position, DO NOT use the machine until repairs have been
completed.
Extremely dusty or dirty working conditions may require more frequent service/replacement.
New Machine Brake-in Maintenance Procedures
Do the following after the first 20 operating hours for a new machine only.
1. Change engine oil - see engine manual.
2. Change engine oil filter, which is located on the left side of the engine - see engine manual
and (Item 1, Figure 4–8).
Figure 4–8 Engine Oil Filter
CAUTION
NOTICE
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