page revised 12-03
page 5
SER 7531-4
Major Repair Kit
394260
High-Pressure Pump Mechanism Kit for Models 7531-4 and 7531-A4 (Figure 4)
Part No.
Description
Qty.
45569 .............. Hex Nut, 10-32 ............................................................................................. 1
53776 .............. Aluminum Gasket, 49/64" I.D. x 15/16" O.D. ................................................ 1
171000-12 ....... “O” Ring, 5/8" I.D. x 13/16" O.D. .................................................................. 1
171017-12 ....... Back-up Ring, 13/16" O.D. ........................................................................... 1
317201 ............ Cup .............................................................................................................. 1
317202 ............ Rod .............................................................................................................. 1
317203 ............ Valve ............................................................................................................ 1
328237 ............ Aluminum Gasket, 1/2" I.D. x 15/16" O.D. .................................................... 1
PARTS LIST - High-Pressure Utility Pump for Models 7531-4 and 7531-A4 (Figure 2)
Part No.
Description
Qty.
77650 ............... Hex Nut, 1/4-20 .............................................................................................. 4
77787 ............... Hex-Head Cap Screw, 1/4-20 x 5/8" ............................................................... 3
✚
79272 ............... Lockwasher, External-Tooth, 1/4" .................................................................. 2
✚
170699 ............. Screw (Special), 1/4-20 UNC ......................................................................... 1
170837 ............. Wing Nut, 1/4-20 ............................................................................................ 3
✚
171606 ............. Retaining Ring ............................................................................................... 4
✚
314552 ............. Lever .............................................................................................................. 1
317102 ............. “J” Bolt ........................................................................................................... 3
318414 ............. Handle ........................................................................................................... 1
❋
322434 ............. Hose and Coupler Assembly .......................................................................... 1
328238-A4 ....... Follower-Plate Assembly (early models) ........................................................ 1
✚
328253-1 .......... Link, 4-1/8" long ............................................................................................. 1
332748 ............. Handle Grip (coppertone) ............................................................................... 1
✚
337729 ............. Cover ............................................................................................................. 1
337665 ............. Follower-Plate Assembly (later models) ......................................................... 1
✚
338334 ............. Handle Grip (maroon) ..................................................................................... 1
339961-1 ......... Pin ................................................................................................................. 1
339961-3 ......... Pin ................................................................................................................. 1
❋ ✚
............ High-Pressure Pump Mechanism ................................................................... 1
❋
See separate parts list
✚
Not available as a separate purchased part