FORM NO. 56043071 CMAX
™
28/34ST / I-MAX 28/32C, BA 750/850ST, BA 750C -
55
ELECTRICAL SYSTEM
E
A
D
B
C
OUT
IN
Spring Housing
Assembly
FIGURE 4
7
To increase the travel of the spring hous-
ing assembly, turn the adjuster clock-
wise. To decrease the travel of the
assembly, turn the adjuster counter
clockwise.
NOTE: Use a 5/16" (8mm) wrench to
turn the adjuster. Each click of the
adjuster will change the spring housing
assembly travel 1/16 inch (1.6mm).
8
After each adjustment, hold the spring
housing assembly, run the actuator IN &
OUT and check both dimensions. After
checking that the spring housing limits
are set correctly then replace the ad-
juster cover.
Service Tip Note:
Use the
above power cord adapter to help posi-
tion the spring housing assembly (in or
out) for ease in actuator motor installa-
tions.
9
After adjusting the actuator spring hous-
ing dimensions, follow the
Scrub Brush
Lift Actuator Removal
(Disc
or
Cylindri-
cal)
manual section to reassemble.
Service Tip:
See Figure 4. Note the correct
orientation of the Spring Housing
(E)
when installing the complete motor as-
sembly and also run the spring housing
assembly to the IN (retracted) position
for machine installation.
FIGURE 3
Instructions for Scrub Brush Lift Actuator Drive Nut Adjustment (continued)
