VIAIR 120 PSI Fast-Fill - Manual (Page 8)

Tank pr
essur
e dr
ops when
compr
essor(s)
shut
of
f
1. Loose drain cock 2.
Check
valve
leaking
3. Loose connections
1. Tighten drain cock 2.
Replace
check
valve
or
compr
essor(s)
3.
Check
all
connections
with
soap
and
water solution and tighten
Compr
essor
runs
continuously
and
air
flow
lower
than
normal
1.
Excessive
air
usage
2. Loose connections 3.
W
or
n piston
ring
or
inlet
valve.
4.
Clogged
air
filter
element
1. Decr
ease air usage
2.
Check
all
connections
wit
soap
and
water solution and tighten. 3.
Repair
or
replace
compr
essor
4.
Replace
air
filter
element
Compr
essor
runs
continuously
causing
safety
valve
(if
equipped)
to
open
1.
Bad
pr
essur
e switch
2.
Defective
safety
valve
1.
Replace
pr
essur
e switch
2.
Replace
safety
valve
PROBLEM:
POSSIBLE
CAUSE(S)
CORRECTIVE
ACTION
TROUBLESHOOTING GUIDE: