32 51-3849, 5/26/06
Brush Head
SERVICE SECTION
TROUBLESHOOTING
Problem Possible Cause Possible Solution
Brush rotates wrong direction Hoses installed incorrectly Switch hoses at brush head tubes
Brush pattern too wide Adjust brush pattern to 2-3 inches (51-
76mm) wide: see Maintenance:
Adjusting Brush Pattern
Travel speed too fast
ravel no more than 5 mph (8 kph) whil
sweeping (2-3 mph recommended)
Trying to sweep too much
material at once
Make several passes with sweeper
Relief pressure set too low Set relief pressure to 2000 psi (138.0
bars)
Pump has failed Contact dealer to repair or replace
Filter plugging Change or clean filter
Hydraulic motor is failing Test hydraulic system: see Trouble-
shooting: Hydraulic Problems
Spring-chain assembly too
loose
Adjust spring-chain assembly: see
Maintenance: Adjusting Spring-Chain
Assembly
ravel speed too fast and/o
brush speed too slow
Find correct combination of ground and
brush speeds: do not travel at more
than 5 mph (8 kph)
Core is bent Replace core
Sweeper is not level Level sweeper before each use: see
Maintenance: Leveling
Tires on prime mover at
different pressures or are
different sizes
Check tire sizes and rating: make
corrections as necessary
Brush wears very quickly Brush pattern too wide Adjust brush pattern to 2-3 inches (51-
76mm) wide: see Maintenance: Setting
Brush Pattern
Brush slows or stops when sweeping
Brush wears into cone shape
Brush head assembly "bounces"
during sweeping
