Alamo Schwarze SUPERVA C SUPER UPDRAFT, Product Manual

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Section 5 - Troubleshooting
74
SCHWARZE SUPER UPDRAFT
revised 04/19
8.1 Sweeper
Problem Possible Cause Remedy
Loss of Vacuum- Sweeping too fast Slow down
Sweeper Not Picking Up Fan not located properly within Adjust fan closer to back plate
fan housing
Head not fully lowered
Lower head completely
Worn flaps or skid plates out of a. Adjust side plate
adjustment b. Replace flaps
Faulty seal (fan, intake or door) Replace Seals
Torn hose(s) Replace hose(s)
Bent or uneven drag arms Straighten or replace drag arm
Blocked intake inlet Remove hose and clean debris
from intake inlet
Blocked screen Remove blockage
Loose drive belt Tighten belt
Worn Fan Replace fan
Holes in hopper or fan housing Repair holes
Bent sweeping head Replace sweeping head
Excessive Runner Wear- Improper head spring tension Adjust head spring tension
Head Not Gliding Properly Bent or uneven drag arms Straighten or replace drag arms
Improper side plate adjustment Adjust side plates
Bent head channel Straighten or replace head channel
Head Drifting Down Leaking sweeping head cylinder seal Rework seals
P. O. check valve stuck open Replace or clean
Unusual Noise or Vibration Worn bearings Replace bearing(s)
Fan out of balance Clean debris, rebalance or replace
fan
Fan shifted within housing Reposition fan
Loose drive belt Tighten drive belt
Loose bolts Tighten bolts
Fan blades worn or broken Replace fan
Loose shaft bearing bolts Tighten bolts
5.1 Sweeper