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MAINTENANCE
94
7200 330040 (9--05)
BELTS AND CHAINS
SCRUB BRUSH DRIVE BELTS
The two brush drive belts are located on the
cylindrical brush scrub head. The belts drive the
cylindrical brushes. Proper
new
belt tension is a 3
mm (0.1 in) deflection from a force of 1.37 to 1.48
kg (3.0 to 3.26 lb) at the belt midpoint.
When reusing an old belt, measure and record the
belt tension before removal, so that the belt can
be reinstalled at the same tension.
If the old belt tension was not recorded, the
recommended force per old belts is
1.03 to 1.14 kg (2.28 to 2.52 lb) with a deflection
of 3 mm (0.1 in).
Check the belt tension and wear every 100 hours
of operation.
PRE--SWEEP BRUSH MOTOR BELT (OPTION)
The Pre--Sweep brush motor belt is located inside
the Pre--Sweep assembly on the right hand side
of the cylindrical brush. The belt drives the brush
drive belt sheave. Proper belt tension is a 3 mm
(0.12 in) deflection from a force of 0.6 to 0.64 kg
(1.3 to 1.4 lb) at the belt midpoint.
Check the belt tension and wear every 100 hours
of operation.
PRE--SWEEP BRUSH DRIVE BELT (OPTION)
The Pre--Sweep brush drive belt is located inside
the Pre--Sweep assembly on the right side of the
cylindrical brush. The belt drives the cylindrical
brush. Proper belt tension is a 2 mm (.08 in)
deflection from a force of 0.76 to 0.8 kg (1.7 to 1.8
lb) at the belt midpoint.
Check the belt tension and wear every 100 hours
of operation.