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© Wagner. All rights reserved. 13
Pump Head Assembly
Item Part # Description Quantity
1 0278242 Inlet valve assembly (includes item 2)........1
2 0089482 Sealing washer, nylon.................................1
3 0278334 Paint pump..................................................1
4 0555901 PRIME/SPRAY valve assembly..................1
5 0278362 Outlet seal...................................................1
6 0278241 Ball seat......................................................1
7 0093635 Ball..............................................................1
8 0047485 Outlet spring ...............................................1
9 0278361 Ball guide....................................................1
10 9871114 O-ring..........................................................1
11 0278335 Outlet fitting.................................................1
12 0278337 Pusher body................................................1
13 0278250 Pusher stem assembly ...............................1
14
0278368 Pusher spring..............................................1
15 0156646 Seal.............................................................1
16 0278340 Pusher washer............................................1
Hopper Assembly
Item Part # Description Quantity
1 0279591 Cover, hopper .......................................1
2 0089917 Filter screen, fine (shown) ....................1
0088871 Filter screen, coarse
3 0090283 Hopper..................................................1
4 0093865 Return tube...........................................1
5 0090617 Fitting....................................................1
6 0090560 Return tube assembly
(includes items 4 and 5) .......................1
7 0288144 Hopper complete
(includes items 1 – 6) ...........................1