40 - Form No. 56043161 - Clean Track
®
L24
Vacuum / Recovery System Service Maintenance Checklist
Whenever there is a vacuum problem, it’s best to check over the entire system. Use the checklist below as a guide, to
thoroughly check the vacuum system.
Inspect and clean the vacuum motor oat switch.
Inspect the vacuum motor inlet screens and clean any built-up debris from the screens.
Clean built-up dirt from the vacuum shoes.
Clean built-up dirt from the vacuum hoses to the vacuum shoes.
Inspect the hoses between the vacuum shoes and the recovery tank and rinse any built-up dirt from the hose.
Replace the hose if it is kinked or damaged.
Inspect and make sure the gasket on the recovery tank cover is sealing and not damaged.
Make sure that the recovery tank drain hose cap seals airtight.
Troubleshooting Guide
When the vacuum system performs poorly, it is usually because of one of the following problems:
Vacuum Leaks
Vacuum leaks are caused by air owing into the vacuum system past a bad gasket or leaky hose, damaged tank or a
leaky drain valve. A vacuum leak below the waterline will create turbulence in the recovery tank, causing water to enter
the vacuum motors.
Restrictions
Restrictions are anything that blocks the ow of air through the system. Restrictions may also be caused by built-up
debris in the vacuum shoes, vacuum hoses or vacuum motor inlet screens, or wherever the airow is forced to make a
sharp turn.
Both leaks and restrictions decrease the quantity of air owing through the vacuum shoes. The air that does go through
the vacuum shoes moves slower, so it has less suction (water lift performance).
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