Service - 118 RT80 Operator’s Manual
10 Hour
Check Digging Chain Tension
Check digging chain tension every 10 hours. With
boom horizontal, measure distance from bottom
of boom to chain. When properly adjusted,
distance should be 1.5-2.0” (40-50 mm).
To tighten chain, remove plug and pump EPG into cylinder. To relieve chain tension, loosen plug on
grease cylinder.
Fluid pressure
could pierce skin and cause
injury or death. Stay away.
NOTICE: Service digging boom
grease cylinder only while standing on
opposite side of boom. Wear gloves and safety
glasses, and cover fitting with cloth when
relieving pressure in cylinder.
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