170
Troubleshooting
PROBLEM
CAUSE AND SOLUTION
Vacuum System
Vacuum loss or failure.
• Vacuum lter canister door seal leaking. Replace
seal to eliminate vacuum leak.
• Vacuum lter canister dump valve leaking or
open. Clean valve of any debris; if it is still
leaking, it may be necessary to replace worn
valve.
Relief valves open and whistling. • Relief valve on top of debris tank open. Indicates
a blockage in vacuum hose between the tank
and the Hog Head. Locate and remove blockage.
• Relief valve on vacuum lter canister open.
Indicates (A) clogged vacuum lters or (B)
high water/debris level lifting shut-o ball in
debris tank. Clean or replace vacuum lters.
Clean canister tank bottom or empty water from
debris tank and dump debris. Clean shut o ball
to prevent sticking in closed position. Replace
debris bag, clean door seal and close.
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