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TM 5-2420-222-20-3
PRESSURE CONTROL VALVE - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
65.
Hydraulic pump (1)
Plug (2)
a.
Place drain pan under pump (1) to
with assembled
catch draining fluid.
packing (3)
b.
Using 1/2-inch, 3/8-inch drive
socket, 5-inch extension, and ratchet
handle, unscrew and take out.’
66.
Plug (2)
Packing (3)
a.
Using pocket knife, take off.
b.
Get rid of.
67.
Front support (4)
Hydraulic pump (1)
Using tube and pipe fitting kit fittings,
connect multi-range pressure gage.
WARNING
Be careful of moving parts when working near engine while it is running. Moving parts could
catch on tools, clothing, or extremities causing serious injury.
68.
Loader backhoe
Engine
Have assistant start and run at
1250 rpm (TM 5-2420-222-10).
WARNING
Keep clear of hydraulic components when raised and not supported. Sudden loss of hydraulic
pressure could cause components to drop without warning.
69.
Loader bucket
While assistant raises (TM 5-2420-222-
10), note multi-range pressure reading.
Reading should be 1700 to 1800 psi
(11721 to 12411 kPa), pressure control
valve setting.
70.
Engine
Have assistant shut down
(TM 5-2420-222-10).
2-1211
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