Factory Cat 34, Operator, Parts, & Service Manual

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PAGE 14
TROUBLESHOOTING GUIDE
THE ENGINE COMPARTMENT
.
PROBLEM: BROOMS ROTATE, BUT MACHINE DOES NOT SWEEP WELL.
PROBLEM: MACHINE SWEEPS UP DEBRIS FINE, BUT BLOWS DUST.
PROBLEM: MACHINE SWEEPS OK, DUST CONTROL PICKS UP DUST, BUT BLOWS IT INTO
and vaccuuming the filter.
1. Filter is dirty. With power off, turn crank 20 times to clean filter.
2. Air is shut off. Open air shutoff control.
3. Filter is clogged from mud. Remove and inspect filter. Clean if necessary by shaking
4. Air leaks. Check and replace neoprene floor seals as needed.
5. Is fan turning with main motor? (Has set screw come out of fan?).
1. Remove the black filter cover. (There are three screws at the rear. Cover fits into a slot
2. Check filter for pinhole leaks and repair or replace as needed. (You can pull filter and its
of main broom fiber, main broom should have 1.0" of fiber or more to sweep really well.
be replaced.
Cause of broom bounce is generally bent fiber on one side, causing broom to become oval.
This, in turn, is caused by leaving the broom on the ground for long periods of time without
broom rotating, which will bend the fiber. A second cause is use of a mainbroom that is
made incorrectly. For this reason, avoid "will-fit" main brooms made by other manufacturers
to fit our machines. Our design requires brooms in perfect balance and perfectly round.
1. Main Broom may be worn out. While machine can sweep with as little as one half inch
2. Main Broom bounces. This will cause skipping over debris. If this occurs, broom must
3. Check rubber flap on lip of the hopper.
This piece is very important to good sweeping,
and must be in good condition or machine will throw debris forward of machine.
If
flap is torn or missing, replace with a new part.
at the front) . Then check for improper seal between filter and body. Filter is taped to the
filter element support grill (Part No. 4-505) with double-sided carpet tape. This seal must
be tight.
mounting grid straight out of the machine once the filter cover is removed. You can also
inspect the filter from undeneath the machine).
Hopper's
Rubber Flap