46
- FORM NO. 56043115 - 34 RST
Scrub System
Scrub Brush lift Actuator
1. See Figure 3.
With scrub brushes installed, lower the scrub brush deck, turn the key switch off and disconnect
the battery pack.
Note:
If the lift actuator motor will not run, go to step 2, then shim up the brush deck to relieve the pressure on the
connecting hardware to ease removal of the Lift Actuator Assembly
(T)
.
2. Remove the front nose cone by firmly grasping the lower part and lifting straight up.
3. Disconnect the actuator motor wiring harness pigtail connector.
Service Note
: If you have an optional Actuator Power Cord Adapter (Advance Part #56407502), you can use the
Adapter to run the lift actuator up or down to relieve the pressure on the connecting hardware and ease
removal of the Lift Actuator Assembly
T)
.
4. See Figures 2 and 3.
Remove either of the Cotter Hair Pins
(L)
and remove the Pin
(K)
to detach the Lift
Actuator Assembly
(T)
from the lower mount on the Deck Weldment
(N)
.
Note:
Lift up on the scrub brush deck
to take pressure off the Pin
(K)
.
5. See Figure 3.
Remove the Cotter Hair Pin
(V)
from the Ring Pin
(W)
.
6. Hold the Lift Actuator Assembly
(T)
securely, remove the Ring Pin
(W)
from the Actuator Mount Weldment
(X)
,
then remove the Lift Actuator Assembly
(T)
from the machine.
*Important Service Note:
If you’ve installed a new motor or drive nut in an actuator lift assembly, or if the
actuator has gotten out of adjustment, you will need to check the actuator “IN” and “OUT” travel limits and
set them to the correct specifications if necessary. Refer to the Electrical System / Lift Actuator Assembly and
Travel Limit Adjustment section and follow these instructions before installing the actuator motor assembly
in the machine.
7. After setting the correct actuator “IN” and “OUT” travel limits, follow the above removal steps in reverse order
to reassemble.
FIGURE 3