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Assembly Section 2-10
ASSEMBLY
INSTALLING O-RING FITTINGS
Installing straight, 45° and 90° O-rings requires that the O-ring and washer (A) be up
against the swivel body (B). Insert the swivel and turn in until the swivel is pointed in the
right direction and the O-ring contact is made. Hold swivel in set direction with a wrench
and turn the O-ring contact is made. Hold swivel in set direction with a wrench and turn
the O-ring nut away from the swivel body and carefully tighten.
INSTALLING NATIONAL PIPE FITTINGS
Whenever installing a pipe fitting, wrap the thread clockwise (looking at the end)
with teflon tape. In this way, the tape will be tightened when installed. NOTE: It is not
necessary to tape O-ring fittings, or those installed in swivels.
GENERAL HOSE INSTALLATION
Refer to the parts section for detailed information about hoses and fittings for this
application.
Whenever mounting the suction hose between the pump and the tank, the stainless
steel bands provided must be used. CAUTION: DO NOT use regular hose clamps for
this purpose.
HOSE COVERING
Where hoses may contact the frame or other edges, wrap with split hose and
secure with hose clamps or zip ties. On non cab units the pressure and return
hoses from the control valve will also need to be routed inside the protective clear
hose wrap. Cover the valve, valve fittings with the yellow hose cover and secure with
black string provided.