Filter Element Replacement - Compac CNG Service Manual

Servicing

Filter Element Replacement

Remove the coalescing filter
Install the new coalescing filter
Compac Industries Ltd.
The coalescing filters are designed to trap dirt, moisture, oil, and other
debris that may damage the valve seals.
Before you start, make sure you have:
A seal kit - Part number FC-FIL-0001

 1 x filter
 1 x filter bowl O-ring seal
 O-ring lubricant
1. Degas the dispenser (see page 40).
2. Drain the coalescing filters (see page 46) if they have not been drained
already.
3. Unscrew the filter bowl(s) with a spanner on the 22mm hex nut at the
base of the filter bowl.
4. Remove the filter element.
5. Clean all oil and dirt off the components with a clean cloth.
1. Insert the new filter element and lubricated filter bowl O-ring seal.
O-rings that are subjected to natural gas at high pressure
swell when exposed to air. Once swollen, they cannot be reused and
must be replaced.
Always use O-ring lubricant to prevent damage to the O-
rings.
2. Screw in the filter bowl(s)
3. Check the dispenser for leaks. (see page 45)
Page 47
Filter Element Replacement
Filter Bowl O-ring Seal
Filter Element
Filter Bowl
Drain Plug
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