TM 10-4630-207-13&P
0017 00
Table 5. Tank not draining.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Tank not draining.
Step 1. Perform Procedure 4 as
Step 2. Perform Procedure 6 as
Replace any malfunctioning
hydraulic component(s) as
Step 3. Check operation of drain
Remove obstruction in drain
valve (1). Determine if valve is
valve. Replace a drain valve, if
obstructed and will not open and
required, as described in WP
close completely.
Step 4. Check operation of
Replace a malfunctioning
isolation valve (2). The valve
isolation valve as described in
must be open during draining
operation.
Step 5. Ensure vacuum pump (3)
Place lever in pressure position.
is supplying pressure. Check
Check drive belt and adjust if
pressure gage (4) reading (5 psi
necessary as described in WP
minimum).
1
2
3
4
0017 00-6