TM 10-4610-229-24
2-76. SKID-MOUNTED HIGH PRESSURE PUMP ASSEMBLY REPLACEMENT
NOTE
It may be necessary to loosen 2 in. grooved pipe coupling to remove C-6 grooved pipe coupling.
4
Remove two nuts, two bolts, two coupling halves, and gasket from connection C-6. Disconnect high pressure
hose.
5
Following directions on skid, use suitable lifting device to remove pump assembly.
b.
Installation
1
Following directions on skid, use suitable lifting device to install pump assembly.
2
Check gasket removed from C-6 for damage. If gasket is damaged, replace it. Apply thin coat of silicone
lubricant to gasket lips and outside of gasket.
3
Place gasket over end of connection C-6, being sure it doesn't overhang end of connection.
4
Aline end of high pressure hose with connection. Slide gasket to center portion between connection groove and
hose groove. No portion of gasket should overhang grooves.
5
Place coupling halves over gasket. Make sure coupling half keys are in grooves on connection C-6 and hose.
6
Install two bolts. Place nuts on bolts and hand-tighten.
CAUTION
Overtightening nuts may cause gasket to pinch. Tighten nuts only until coupling halves are firmly
together (metal-to-metal).
7
Tighten nuts alternately and equally until coupling halves are firmly together.
8
Add fuel. (See TM10-4610-229-10.)
9
Plug in pretreatment assembly power cable.
10
Install suction hose on pump inlet.
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