Magnum Venus Plastech APS E-FIT-F-CMB-APS-6 - Manual (Page 16)

Problem
No catalyst coming from
gun.
Catalyst spitting from gun.
No catalyst flow on down
stroke of catalyst pump.
No catalyst flow on upstroke
of catalyst pump.
Loss of catalyst pressure.
Catalyst leaking from top of
catalyst slave pump.
Possible Cause(s)
Ball valve open on catalyst manifold (if applicable).
Air is drawn into catalyst siphon assembly
Cracked or deteriorated (pin holes) inlet nipple at
bottom of slave pump.
Worn or cut O-ring in inlet nipple.
Improper seal around siphon hose.
Cracked or deteriorated (pin holes) catalyst siphon
hose.
Cracked or deteriorated elbow assembly on catalyst
jug assembly.
Worn or cut O-ring on elbow assembly.
Inverted washer in elbow or inlet nipple.
Debris in lower ball and seat assembly.
Chipped or worn ball and/or seat.
Debris in ball seat assembly located at bottom of
pump shaft (commonly referred to as upper ball seat
assembly).
Chipped or worn ball and/or seat assembly.
Worn or cut O-ring on ball seat assembly located
on bottom of pump shaft (commonly referred to as
upper ball seat assembly).
Sticking catalyst pressure relief valve assembly,
located on catalyst manifold (if applicable).
Worn or cut O-rings located in top of pump.
Worn guide bushing located in upper jam nut (guide
bushing not shown on breakdown). A bent pump
shaft may cause wearing of guide bushing -- see
below.
Bent catalyst pump shaft.
Recommended Solution
Be sure ball valve is fully closed.
Replace inlet nipple
Replace O-ring in inlet nipple.
Check seal and be sure hose is inserted all the
way into nipple.
Replace catalyst siphon hose.
Replace elbow assembly.
Replace O-ring.
Inspect and be certain that flat side of washer is
against the O-ring for proper sealing.
Remove and clean.
Inspect and replace ball and/or seat if necessary.
Remove and clean.
Inspect and replace ball and/or seat if necessary.
Replace O-ring.
Disassemble, inspect and clean. Replace seals
if necessary.
Replace O-rings.
Replace guide bushing or whole jam nut
assembly.
Replace pump shaft.
Chapter
6
Basic Trouble Shooting Guide
HPC-2000 Slave Pump