Maintenance
Recommended Maintenance Schedule(s)
Maintenance Service
Interval
Maintenance Procedure
Before each use or daily
• Grease the trencher.
• Inspect the digging teeth and chain for excessive wear.
Every 25 hours
• Check the gear lube level.
• Adjust the digging chain tension.
• Inspect the boom for wear.
Every 200 hours
• Change the gear lube.
Before storage
• Grease the trencher.
• Check the gear lube level.
• Paint chipped surfaces.
CAUTION
If you leave the key in the ignition switch, someone could start the engine. Accidental starting of the
engine could seriously injure you or other bystanders.
Remove the key from the ignition switch before you do any maintenance.
Greasing the Trencher
Service Interval:
Before each use or daily
Before storage
Grease 2 fittings, as shown in Figure 8 and Figure 9,
every day and immediately after every washing.
Grease Type: General-purpose grease
1. Stop the engine and remove the key.
2. Clean the grease fittings with a rag.
3. Connect a grease gun to each fitting.
4. Pump grease into the fittings until grease begins to
ooze out of the bearings.
5. Wipe up any excess grease.
G008938
Figure 8
G008939
Figure 9
Servicing the Bearing Case
Lube
Service Interval:
Every 25 hours
Every 200 hours
Before storage
Gear lube type: SAE 90-140 API service GL-4 or GL-5
Refill capacity: 1 pint (1/2 l).
Checking the Bearing Case Lube
1. Lower the trencher to the ground on a flat, level
surface and tilt it so that the boom is parallel with
the ground.
2. Stop the engine and remove the key.
3. Clean the area around the bearing case fill hole plug
(Figure 10).
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