Grizzly T21888 - Manual (Page 21)

model t21888 (mfg. since 2/10) - 19
-
fixing air leaks
to find air leaks:
1. Allow the compressor to build air pres-
sure to the rated pressure.
2. disConnECt thE ComprEssor
From poWEr.
3. listen for the sound of air to find fittings
that may be leaking.
4. spray the suspected air leak with a
soap and water solution. if you see air
bubbles, you have found your leak.
to fix air leaking around fitting threads:
1. disConnECt thE ComprEssor
From poWEr, And drAin All Air
From thE tAnK.
2. Unscrew the fitting that is leaking.
3. Clean and apply teflon tape or liquid
thread sealant to the fitting threads.
4. Clean and chase the threads with the
appropriate thread tap.
5. re-install the fitting to the compressor.
3. inspect the seal ring and diaphragm
( figure 20) for damage and dirt.
figure 20. Check valve assembly.
seal
ring
4. replace any damaged parts and clean
any dirt off of the diaphragm and seal
ring.
5. re-assemble the check valve. do not
add thread sealant or teflon tape to
the cap threads, as the seal ring is the
seal.
6. make sure the diaphragm presses
squarely against the air supply tube
opening.
diaphragm