ADJUSTMENT/MAINTENANCE
49 AU104488 C6B
INCREASING CHAIN TENSION
1. Loosen and remove the bottom bolt (1) securing the
right-hand access cover.
2. Loosen the top bolt (2) to allow the right-hand access
cover to swing away, exposing the grease fitting
cavity.
3. Clean the area around the grease fitting (3) with
cleaning solvent.
4. Remove the grease fitting cap.
5. Use a grease gun to apply grease until the chain
tension is correct.
6. Reinstall the grease fitting cap.
7. Fold the cover back into the closed position and
reinstall the top bolt (2). Tighten both bolts (1 and
2) to 258 Nm (170-190 lb ft).
NOTE:
Check the chain tension after you have dug a
trench approximately 3 m (10 feet) in length.
DIGGING CHAIN WEAR PADS
RT160063
Check the trencher boom wear pads every 10 hours of
operation or once each day, whichever occurs first. Boom
has a continuous wear pad along the top and along the
bottom (1). Replacement wear pads are available from
your dealer.
If the chain has worn a wear pad through, it should be
replaced. The wear pads are welded in place and must be
cut off and a new wear pad welded on.
FIRE EXTINGUISHER
Type of Fire Extinguisher
It is recommended that you have a fire extinguisher close
by. The fire extinguisher of the type shown is available
from your Astec dealer.
153L95
This dry chemical fire extinguisher has a 5 pound capacity
and is approved for Class A, B and C type fires. The
operating temperature is from -54 to 49°C (-65 to 120°F).
NOTE:
See your Astec dealer for the proper type of fire
extinguisher.
Inspection and Care
EVERY MONTH: It is recommended that you inspect the
fire extinguisher once each month for damage and to
insure that the gauge is working correctly.
EVERY 6 MONTHS: Have the dry chemical removed and
refilled by a fire equipment technician.
ONCE EACH YEAR: Have the fire equipment technician
inspect the fire extinguisher.
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