Ditch Witch RT120 - Manual (Page 170)

RT120 Operator’s Manual
Service - 169
10 Hour
Check Attachment Mounting Bolts
Check bolts every 10 hours and tighten as
necessary to keep bolts and other fasteners tight.
Check for looseness or wear. Apply Loctite 271
®
adhesive. Check that bolts are tightened to 200
ft•lb (271 N•m).
Check Restraint Bar Position
Check restraint bar position every 10 hours, or
anytime the digging chain is adjusted or
replaced. The restraint bar is properly positioned
when the end of bar extends between the center
of the tail roller/sprocket and the end of the
digging chain. Check for looseness or wear.
Tighten bolts as necessary to keep them tight.
Bolts mounting arm to boom should be tightened
to 400 ft•lb (542 N•m). Apply Loctite 271
®
adhesive.
Check Trench Cleaner Position
Check trench cleaner position (if equipped) every
10 hours, or anytime the digging chain is adjusted
or replaced. The trench cleaner is properly
positioned when there is 3-4 in (76-102 mm)
between the digging teeth and the inside of the
trench cleaner shoe (A).
Check that bolts holding personnel restraint bar/
trench cleaner to arm are tightened to 350 ft•lb
(475 N•m). Apply Loctite 271
®
adhesive.
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A
A
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