34
- FORM NO. 56043025 / BA 700, 800, 1000 / 28LX, 32LX, 38LX / 280HD, 320HD, 380HD
WHEEL DRIVE SYSTEM
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CHAIN ADJUSTMENT:
1
Follow steps 1 & 2 from the
Chain Removal
section above.
2
See Figure 1. Loosen Lock Nut
(A)
, turn Bolt
(B)
to adjust chain tension. There should be about 1/2 inch (12 mm)
of deflection between the sprockets when moderate pressure is applied to the chain.
3
Follow steps 1 & 2 in reverse order to reassemble.
4
Test the drive system for proper operation.
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DRIVE MOTOR REPLACEMENT
1
Drain and remove the solution and recovery tank, disconnect and remove the batteries and squeegee.
2
Remove the left splash guard and scrub brush. Then tip the machine over on its left side.
3
See Figure 1. Cut the plastic tie strap holding the vac hose and wiring onto motor mount Bracket
(C)
. Then disconnect
the (2) motor wires from the red terminals. Note that the positive motor wire and the blue wire from the machine wiring
harness are connected to the same terminal.
4
Remove the Bolt
(D)
and Washer
(E)
from the end of the motor shaft.
5
Loosen Lock Nut
(A)
and back out Bolt
(B)
several turns to loosen the tension on the drive chain, then remove the
chain from the motor sprocket.
6
Loosen the (2) set screws in Motor Sprocket
(F)
and pull the sprocket off the motor shaft.
7
Put a wood block under the motor so that it will not fall. Then remove the (4) Bolts
(G)
and separate the motor from
Bracket
(C)
.
8
Follow steps 1 - 7 in reverse order to re-assemble.
Note:
Install a new plastic tie strap to hold the wiring and vac hose away from any moving parts.
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CHAIN REMOVAL OR ADJUSTMENT (continued)