Ditch Witch 1820 - Maintenance (Continued); Trenching Attachment: Chain Tension Adjustment

76 1820 - MAINTENANCE
TRENCHING ATTACHMENT
76 1820 - MAINTENANCE
TRENCHING ATTACHMENT
10. Tighten digging chain.
Sprocket Booms
Digging chain tension is correct
when 1-1.5” (25-40 mm) slide and
stop (C) is exposed. Adjust boom
tension by tightening or loosening
adjustment screws (B) and jam
nuts (A).
Roller Booms
With boom horizontal, measure
distance from bottom of boom to
chain (C). When properly
adjusted, distance should be 1.5-
2.0” (38-51 mm). Adjust boom ten-
sion by tightening or loosening
adjustment screw (A) and jam nut
(B).
om1031.pcx
om1017.pcx
10. Tighten digging chain.
Sprocket Booms
Digging chain tension is correct
when 1-1.5” (25-40 mm) slide and
stop (C) is exposed. Adjust boom
tension by tightening or loosening
adjustment screws (B) and jam
nuts (A).
Roller Booms
With boom horizontal, measure
distance from bottom of boom to
chain (C). When properly
adjusted, distance should be 1.5-
2.0” (38-51 mm). Adjust boom ten-
sion by tightening or loosening
adjustment screw (A) and jam nut
(B).
om1031.pcx
om1017.pcx