Crack-Vac Model 100G Manual
Chapter 5 Operating Instructions
©2020 by Crafco, Inc. All Rights Reserved
Operating Instructions 5-12
Step
Action
9
To clean the filter housing; the best way to clean the filter housing is to use a shop-
vacuum cleaner to vacuum any collected debris from the bottom of the housing. A
second way to clean the housing is to remove the 2” drain plug located at the bottom
of the housing and wash the debris out with a garden hose. Allow the housing to dry
and replace the plug before operating the vacuum again.
CAUTION
There is approximately a 3” space between the bottom of the filter housing and the
bottom of the cartridge filter. DO NOT allow debris to build up above the bottom of
the cartridge filter.
10
Return the cartridge filter to the filter housing and replace the filter cover plate and
secure with the sealing washer and wing nut. Tighten the wing nut so that both of
the filters seals are compressed approximately ¼” each or as needed to ensure that
a proper seal is made.
HEPA after Filter
A HEPA rated filter is installed on this machine to help protect workers from exposure to crystalline
silica dust and to help satisfy OSHA standards for crystalline silica dust exposure. Care should be
taken to ensure that the filter will last for the longest possible amount of time. The HEPA filter panel
is not serviceable and must be replaced when it has reached the end of its useful life. To get the
maximum amount of use from the HEPA Filter;
•
The Cyclone Collection Bucket must not be allowed to fill past 7/8 full. Dump the bucket
regularly to keep from overfilling.
•
Inspect and clean the Main Cartridge Filter and housing daily. A damaged or improperly
sealed main cartridge filter will allow larger sized particles and a larger amount of debris to
go by and collect in the HEPA filter, reducing the service life of the HEPA filter
A vacuum relief valve is located in the plumbing, between the HEPA filter and the blower. The relief
valve protects the filter housing if a blockage should develop in the system. If suction is lost at the
wand, and the relief valve is opening during operation, this may be an indication that the HEPA filter
needs to be replaced.
Step
Action
WARNING
A dust mask must be worn when servicing the HEPA filter.
1
To remove the HEPA filter from the filter housing; unlatch and open the filter housing
door. Refer to
Figure 5-6 HEPA Filter & Housing
Note:
there is a safety catch lever on the latch assembly to prevent accidental
opening.
Table 5-12 Main Cartridge Filter (continued)
Table 5-13 HEPA Filter Access
Summary of Contents for 60800N
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