Ditch Witch RT Line - Manual (Page 88)

RT12/RT16/RT20/RT24 Operator’s Manual
Service - 87
10 Hour Service
CMW
To tighten digging chain, pump MPG into cylinder
at check valve zerk.
To loosen digging chain, stand on opposite side
of boom and unscrew check valve zerk to release
grease.
NOTICE: Do not overtighten chain.
Overtightening will cause chain stretch, loss
of machine performance, and possible
premature chain failure.