Maintenance
Determine the left and right sides of the machine from the normal operating position.
CAUTION
If you leave the key in the switch, someone could accidently start the engine and seriously
injure you or other bystanders.
Remove the key from the switch before you perform any maintenance.
Recommended Maintenance Schedule(s)
Maintenance Service
Interval
Maintenance Procedure
Before each use or daily
• Grease the trencher
• Check the hydraulic lines for leaks, loose fittings, kinked lines, loose mounting
supports, wear, weather, and chemical deterioration.
• Check the planetary oil level.
• Inspect the boom for wear.
• Check the chain tension.
Every 25 hours
• Inspect the boom for wear.
Every 50 hours
• Replace the planetary oil.
Greasing the Trencher
Service Interval:
Before each use or daily
Grease Type:
General-purpose grease
1.
Park the machine on a level surface, disengage
the auxiliary hydraulics, engage the parking
brake, and lower the loader arms.
2.
Shut off the engine and remove the key.
3.
Remove the plug from the idler shaft.
4.
Clean the grease fitting with a rag (
).
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Figure 9
1.
Plug
5.
Connect a grease gun to the fitting.
6.
Pump grease into the fittings until grease begins
to ooze out of the bearings (approximately 3
pumps).
7.
Wipe up any excess grease.
8.
Install the plug.
Checking the Hydraulic
Lines
Service Interval:
Before each use or daily
WARNING
Hydraulic fluid escaping under pressure can
penetrate skin and cause injury. Fluid injected
into the skin must be surgically removed
within a few hours by a doctor familiar with
this form of injury; otherwise, gangrene may
result.
•
Keep your body and hands away from
pinhole leaks or nozzles that eject
high-pressure hydraulic fluid.
•
Use cardboard or paper to find hydraulic
leaks; never use your hands.
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