Pneumax 120-60-DS, Installation Manual

Page: 22 / 40

Pneumax CAFS "DS" Series Installation Guide
Page 22 of 40
Observed Symptom Probable cause Suggested fix
Foam in the water system
(when proportioner turned off)
Foam concentrate was
poured into the on-board
water tank
Foam manifold drain lines not
isolated from water drain lines
Cooler line plumbed from
foam manifold
Foam manifold check valve
defective
Flush tank and pump with clean water,
refill
Isolate to separate drain valve
Relocate line to discharge side of
pump
Rebuild/replace check valve
Water in compressor oil/air
Leaking inside cooler
Freeze damage
Defective air check valves
Missing air check valves for
discharges
Isolate cooler and check for leaks,
replace if needed, check drain
Replace or check
Install check valves
Safety pop off valve opening
at low pressure
Auto Sync system out of
balance
Sump fire damaged pop off
valve
Adjust the Auto Sync system, making
sure to not open the trim valve on the
compressor more than 3 turns.
Check system for other damage and
replace valve
Safety pop off valve
repeatedly opening Trim valve or inlet completely
open Refer to trim valve (Auto Sync)
instructions