20 308-262
Air
Motor Service
Throat Packing Service
Disassembly
1. Disconnect
the air motor (1) from the displacement
pump (100), as explained on page 15.
2.
Remove the three screws (29) holding the outlet
housing (18) to the bottom cylinder cap (4). Pull
the housing of
f the cap, being careful not to dam
-
age the piston rod (17). See Fig. 10.
3.
Remove the u-cup packing from the cap (4).
4.
Remove the copper gasket (39) and the u-cup
packing (20) from the outlet housing (18).
Reassembly
1.
Lubricate the u-cup packing (19*) and install it in
the bottom cylinder cap (4), with the lips facing up
toward the air motor (1). See Fig. 10.
2.
Grease and install the u-cup packing (20*) and the
copper gasket (39*) in the outlet housing (18). The
lips of the u-cup must be facing down, toward the
pump.
3.
Install the housing (18) on the cap (4).
4.
Reconnect the air motor (1) to the displacement
pump (100), as explained on page 15.
1
2
Lubricate.
Lips
face up, toward air motor (1).
Lips face down, toward pump.
3
4
19*
18
20*
39*
17
29
1
2
1
1
3
Fig.
10
01970A
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