FORM NO. 56043025 / BA 700, 800, 1000 / 28LX, 32LX, 38LX / 280HD, 320HD, 380HD -
19
BRUSH DRIVE SYSTEM
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MAINTENANCE
Every 3 years...
1
Check the carbon brushes in the brush motor. Replace the brushes if they are worn to a length of 3/8 inch (10 mm)
or less.
2
Remove the fill plug from the top of the gear box and check the oil level. The oil should be 1-1/2 inches (3.8 cm) from
the top of the gear box. Use 140W gear lube only.
3
Check the belt tension. There should be about 3/32 inch (2 mm) of belt deflection when 3-1/4 pounds of pressure
is applied between the pulleys.
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BELT TENSION ADJUSTMENT - BA 700 / 28LX / 280HD
1
Remove the actuator from the machine (see the
Brush Lift Actuator Replacement
section).
2
Remove the access panel from the right side of the machine.
3
See Figure 1. Loosen the (4) screws in the
(A)
Belt Guards.
FIGURE 1