D4OPTRS 34 2019
!
CAUTION: For safety, check the pick-up head drag links for loose nuts or
damage. Failure to do so could cause serious damage to truck
rear tires and axle. Prevent an accident: check it!
TROUBLESHOOTER’S GUIDE
PROBLEM
Low sweeper
effi ciency,
excessively dusty
condition
Blast orifi ce damage
CAUSE
Faulty seal
Dirty dust separator
Pick-Up head problem
Hopper screen restricted
Blower wear
Water spray nozzles
blocked (If applicable)
Striking large objects,
curbs or deep holes
SOLUTION
Check all seals for leaks. Following seals
should be air tight:
Cleanout gripper plug (Separator)
Dump door
Pressure & Suction hose
Separator
Suction Transition
Rubber fl ap seals (Hopper air
entrance)
Repair or replace any worn or damaged
parts
Check cleanout gripper plug - be sure it is
secure.
Check for unusually large build-up of dust.
Clean skimmer slot.
Worn curtains.
Measure blast orifi ce opening so it
is adjusted as noted in service and
maintenance instructions..
Check for blockage.
Check pressure & suction hose for
blockage, build-up or holes.
Check skid plate adjustment.
Clean skimmer hood inside hopper and
check for free movement at hinge points.
Clean as required.
Check for excessive wear.
Replace as required.
Check and clean as required.
Repair as required.
Check daily for condition and proper gap.
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