Tennant 235D, User Manual

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MAINTENANCE
235 MM331 (3--94)
3-30
TAPER LOCK BUSHINGS
Taper lock bushings are used to secure the
sheaves on the engine and propelling pump
shafts.
TO REMOVE TAPER LOCK BUSHING
1. Remove all set screws.
2. Insert a set screw into the threaded hole of
the bushing.
B
C
D
A
03506
TAPER LOCK BUSHING
A. Set Screw
B. Hub
C. Bushing
D. Threaded Hole
3. Tighten the set screw to loosen bushing
from shaft.
TO INSTALL TAPER LOCK BUSHING
1. Clean shaft, bore and outside of bushing
and hub bore of all oil, lacquer, and dirt.
2. Insert bushing into hub; be aware of sheave
alignment. Match hole pattern, not threaded
holes. Each hole will be threaded on one
side only.
3. Oil set screws. Thread them into the half
threaded holes.
4. Alternately tighten the set screws to
175 in lb (20 Nm).
5. Using a block, sleeve, or drift, hammer the
end of the bushing. Do not hammer bushing
directly.
6. Repeat steps 4 and 5 until torque wrench
reading is the same after hammering as
before.
7. Fill all open holes with grease.
STATIC DRAG CHAIN
The static drag chain prevents the buildup of
static electricity in the machine. The chain is
attached to the rear skirt retaining strip.
Make sure that the chain is making contact with
the floor at all times.