Service - 128 JT520 Operator’s Manual
50 Hour
CMW
Check Rotation Gearbox Oil Level
Check rotation gearbox oil level every 50 hours. Oil
should be visible at plug (2). Add MPL at plug (1) as
needed.
Check Battery
Keep batteries clean and free of corrosion. Apply
coat of grease to cable clamps after cleaning.
In cold weather, battery loses some starting ability.
Closely watch voltmeter for signs of battery
discharge.
If battery will not hold charge, see your Ditch Witch
dealer for replacement battery.
Change Fuel Filter (Initial)
Replace filter (shown) after 50 hours.
IMPORTANT: Drill frame must be level for
accurate reading.
IMPORTANT: Use battery disconnect switch
(shown) when servicing, welding, and during
long-term storage.
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