DRAFT
TM 5-4210-249-13&P-1
0099
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT03390
NOTE
Multi-metering valve operation can be checked by listening for metallic click during
cylinder operation or by observing piston tab.
Step 5.
Put cab FOAM SYSTEM switch to ON position (WP 0004). Put cab FOAM SELECT
switch to A position (WP 0004). Check if ground sweeps foam A multi-metering valve
cylinder operates to open position.
If ground sweeps foam A multi-metering valve cylinder does not operate to
open position go to Step 13.
Step 6.
Flush foam system (WP 0031). While an assistant puts cab or pump operator's panel
FOAM SYSTEM switch to on position (WP 0004), check if ground sweeps foam B multi-
metering valve cylinder operates to open position. Put pump operator's panel FOAM
TANK switch to "B" position (WP 0004).
If ground sweeps foam B multi-metering valve cylinder does not operate to
open position, go to Step 8.
0099-6