SP8018
TRX
SERVICING BELTS
36
Replacing Poly Chain
®
Belt
Loosen the front jam bolts on the underside
of the boom box and move the cutter wheel
toward the engine as far as possible. This
will loosen the Poly Chain
®
belt. You will
need to loosen the same jam bolt on both
bearings.
NOTE: Keep a count of how many turns
you make on the jam bolts when you
loosen them, making the same number of
turns on both jam bolts. This makes
adjusting the Poly Chain
®
belt easier
when you are finished changing it.
Tighten the jam bolts the same number of
turns as you loosened them to keep the
belt running true. Use a straight edge to
check pulley alignment when adjustments
have been made.
Once the belt has been replaced, reverse the procedure to re-assemble the boom. Use the
jam bolts on the cutter wheel bearings to adjust proper tension on the belt making sure to
tighten or loosen them equally, keeping the sprockets aligned. See chart that follows for
tensioning specifications.
If belt tension needs adjusting, tighten belt
tension by loosening the jam bolts at the
back of the machine.
Adjust both bearings
the same amount or belt will run at an
angle and cause breakage.
Loosen jam
bolts on both sides the same amount and
readjust the nuts on opposite side to lock
position. Loosen cutter wheel bearing bolts
and pull cutter wheel toward back of
machine to tighten belt, retighten bolts.
Reposition front jam bolts against cutter
wheel bearing and tighten.
Replace the Poly Chain
®
belt guard cover
and the bottom cover.
NEVER RUN MACHINE WITHOUT
BELT GUARDS AND COVERS IN
PLACE AND BOLTS TIGHTENED.
VIEW OF CUTTER WHEEL
BEARING WITH CHIP
GUARD REMOVED
(MACHINE RIGHT SIDE)
FRONT JAM BOLT
REAR JAM BOLT
LOOSEN NUT
Summary of Contents for SP8018 TRX
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Page 25: ...SP8018 TRX MACHINE SPECIFICATIONS 5 ...
Page 57: ...SP8018 TRX SERVICING BELTS 37 Replacing Poly Chain Belt ...
Page 70: ...SP8018 TRX MACHINE WIRING 50 REMOTE WIRING DIAGRAM ...
Page 73: ...SP8018 TRX BOOM ASSEMBLY 53 ENGINE SLIDE ASSEMBLY ...
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Page 79: ...SP8018 TRX BOOM ASSEMBLY 59 ...
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