OPERATION
Nobles
Tuff Scrub
3300 (06–0
17
QUARTERLY MAINTENANCE
(Every 250 Hours of Use)
1.
Check drive transaxle, vacuum and brush motors
for carbon brush wear, replace brushes when worn
to a length of 10 mm (0.38 in) or less.
Contact an Authorized Service Center for motor
maintenance.
2.
Check steering chain tension (See STEERING
CHAIN MAINTENANCE).
BATTERY MAINTENANCE
WARNING: Batteries emit hydrogen gas.
Explosion or fire can result. Keep sparks and
open flame away.
FOR SAFETY: When servicing machine, wear
hand and eye protection when handling batteries
and battery cables. Avoid contact with battery
acid.
1.
Always follow proper charging instructions (See
CHARGING BATTERIES).
2.
After charging, check fluid level (A). Fluid level
should be within 3 mm (0.13 in) of full level
indicator. Add distilled water if needed. DO NOT
OVERFILL. Overfilled batteries will overflow
during charging due to fluid expansion (Fig. 37).
A
Figure 37
3.
Keep battery tops and terminals clean and dry.
To clean batteries:
a.
Mix a strong solution of baking soda and water
(Fig. 38).
Figure 38
b. Brush solution sparingly over battery tops,
terminal and cable connectors.
NOTE: Do not allow baking soda solution to enter
battery cells.
c.
Use wire brush to clean terminal post and
cable connections.
d.
After cleaning, apply a coating of clear battery
post protectant to terminals and cable
connections.
4.
Check for loose or worn cables. Replace if worn.
STEERING CHAIN MAINTENANCE
The steering chain tension should be checked after
the first 50 hours of operation and every 250 hours
thereafter.
FOR SAFETY: When servicing machine,
disconnect battery connections before working on
machine.
1.
To access steering chain, remove five floor panels,
13 mm wrench and Phillips head screwdriver
required (Fig. 39).
Figure 39
2.
Measure amount of chain deflection at location
shown below. Proper chain deflection should be
approximately 25 mm (1.00 in) total (Fig. 40).
Idler Sprocket
Adjustment
Screw
Figure 40
Home
Find...
Go To..
