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RT70 Operator’s Manual
Maintenance - 171
Microtrencher Procedures
Blade and Bits
MT12
Check bits for wear every 100ft (30.5m). Replace worn bits as needed.
Check wear bars and hard-surface material on blades every 100ft (30.5m). Replace wear bars and hard-
surface material as needed to protect bit holders. Change blade when bits, wear bars and hard-surface
material can no longer be replaced.
Rotating Conical Bits
1. Check bit condition using gauge (shown, 301-
1507).
A: Replace bits
B: Bits OK
2. As needed, drive out roll pin (2).
3. Remove bit (1).
4. Install new bit into holder.
5. Drive in new roll pin.
1
2
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Summary of Contents for RT70
Page 9: ...Overview 8 RT70 Operator s Manual About This Manual ...
Page 19: ...Safety 18 RT70 Operator s Manual Emergency Procedures ...
Page 31: ...Safety 30 RT70 Operator s Manual Attachment Safety Alerts ...
Page 83: ...Controls 82 RT70 Operator s Manual Seat ...
Page 89: ...Drive 88 RT70 Operator s Manual Shut Down ...
Page 97: ...Transport 96 RT70 Operator s Manual Haul ...
Page 103: ...Backhoe 102 RT70 Operator s Manual Finish Job ...
Page 123: ...Reel Carrier 122 RT70 Operator s Manual Finish Job ...
Page 129: ...Trench 128 RT70 Operator s Manual Finish Job ...
Page 141: ...Systems and Equipment 140 RT70 Operator s Manual Counterweights ...
Page 221: ...Specifications 220 RT70 Operator s Manual EU Declaration of Conformity ...