TM 5-4610-233-13&P
Table 3-1. Operator Troubleshooting - Cont
Malfunction
Test or inspection
Corrective action
4. LOW PRESSURE INDICATION ON PRESSURE GAGE - continued
CAUTION
Verify flow rate before changing range. Failure to do so
may damage equipment.
Set range adjusting valve to correction position:
Watetflow Rate (gpm)
Position
350 to 70
A
70to15
B
15to2
c
Step 4. Check that inlet and outlet shutoff cocks are open.
If inlet or outlet shutoff cock is closed, open that shutoff cock.
If inlet and outlet shutoff cocks are open, notify unit maintenance,
5. PRESSURE GAGE INDICATION GREATER THAN PRESSURE RECORDED AT STARTUP
WARNING
Water at high pressure can cause hoses to break. Use
extreme care when working on equipment with water
under high pressure to prevent personal injury or damage
to equipment.
Check that range adjusting valve is set for water supply line flow rate.
3-6
