LOWER PUMP DISASSEMBLY
LOWER PUMP REASSEMBLY
PAGE 4 OF 4
66266- X
PACKING OPTIONS AND SERVICE KITS
LOWER PUMP
SVCE KIT
UPPER PACKING
MIDDLE PACKING
LOWER PACKING
LOWER PUMP
SVCE. KIT
51 (X) ‘‘V” PACKING
52 (2) ‘‘V PKG
55 (X) ‘‘V” PKG
59 (4) ‘‘V” PKG 65 (1)‘‘U” CUP
66266- XXX
637074- XXX
PART NO
(QTY)
[MT’L] PART NO
[MT’L] PART NO
(QTY)
[MT’L]
PART NO
[MT’L] PART NO
[MT’L]
- 113,
-
- 153
-
637074- G43
93661- 1
(5)
[L]
- - - - - - -
- -
93662- 1
(4)
[L]
93678- 1
[L]
- - - - - - -
- -
- 313,
-
- 353
-
637074- 343
93661- 2
(5)
[T]
- - - - - - -
- -
93662- 2
(4)
[T]
- - - - - - -
- -
90911
[T]
- 513,
-
- 553
-
637074- G43
93661- 2
(3)
[T]
93661- 1
[L]
93662- 2
(4)
[T]
- - - - - - -
- -
90911
[T]
- C13,
-
- C53
-
637074- C43
93661- 4
(5)
[UH]
- - - - - - -
- -
93662- 2
(4)
[T]
- - - - - - -
- -
90911
[T]
- D13,
-
- D53
-
637074- D43
93661- 4
(3)
[UH]
93661- 1
[L]
93662- 1
(4)
[L]
93678- 1
[L]
- - - - - - -
- -
-
After May 15, 1995 these models are no longer available.
EXAMPLE: 66266-113 is replaced by 66266-G43 & Service kit is 637074-G43.
Note: All threads are right hand.
1. Remove (6) pump body from (9) suction tube, by sliding it off three
(10) tie rods.
2. Remove (7) gasket from top of (9) suction tube.
3. Remove three (10) tie rods.
4. Pull (9) suction tube off the MIDDLE packing and valve section and
out of (25) adapter.
5. Push (26) plunger rod to expose the primer assembly
6. Remove (33) nut, (32) valve plate and (31) washer from (30) primer
rod.
7. Pull (26) plunger rod and remove MIDDLE packing, valve section
and (30) rod from (15) chamber body.
8. Remove (7) gasket out of (25) adapter.
9. With the aid of a flat bladed screwdriver remove (25) adapter, (21)
valve body, (22) valve seat and two (23) gaskets out of (15) cham-
ber body. Use the flat bladed screwdriver to pry on the slot on (25)
adapter.
10. Remove (24) ‘‘O” Ring from (14) adapter.
11. With retaining ring pliers, remove (37) retaining ring from (21) valve
body, then remove the packings out of (21) valve body.
12. Using provided wrench flats, remove (30) rod from (34) valve rod.
Again, using wrench flats remove (34) valve rod from (26) plunger
rod.
CAUTION: DO NOT mar or damage surfaces of any of these rods.
13. Slide the MIDDLE packing assembly off (34) valve rod.
14. Clamp (34) valve seat in a vise and remove (36) valve seat nut, then
remove the MIDDLE packing assembly off (28) valve seat.
15. Remove (1) solvent cup from (6) pump body. Now remove UPPER
packing assembly out (6) pump body.
Note: All rubber goods and packings should be lubricated with a com-
patible lubricant prior to assembly.
1. Assemble (21) valve body with LOWER packings. Refer to Packing
Options Chart on page 2.
2. Retain LOWER packing assy. in (21) valve body with (37) retaining
ring.
3. Assemble (28) valve seat MIDDLE packings. Refer to Packing Op-
tions Chart on page 2.
4. Secure the MIDDLE packing assy. with (36) valve seat nut.
5. Slide (21)valve bodywith LOWERpackingsontothe endof (30)rod
opposite the wrench flats. Install (21) valve body with the beveled
end onto rod
6. Screw (30) rod into (34) valve body and tighten.
7. Place (24) ‘‘O” Ring on (25) adapter.
8. Slide (25) adapter onto the (34) valve body & (30) rod assy with the
wider diameter opening going on first & fit it over (21) body.
9. Slide (28) valve seat and MIDDLE packing assy over (34) valve
body. Be sure to place beveled end of (28) valve seat against bevel
of (34) valve body.
10. Screw (34) valve body into (26) plunger rod and tighten. Use
wrench flats.
11. Place one (23) gasket inside (15) chamber body, followed with (22)
valve seat with beveled side up.
NOTE: If stringy or filled materi
al is being pumped, then reverse the (22) valve seat. Next place
second (23) brass gasket against top of (22) valve seat.
12. Place (26) plunger, (28) valve seat and MIDDLE packing assyalong
with (30) rod & (25) adapter assy into (15) chamber body with the
primer rod end going in first.Slide the (25) adapter into place in the
(15) chamber body.
13. Place (7) gasket in (25) adapter.
14. Lubricate the MIDDLE packing assy and the inside of (9) suction
tube. Carefully slide (9) suction tube over (26) plunger and MIDDLE
packing assy into (15) adapter.
15. Install three (10) tie rods.
16. Place (7) gasket on end of (9) suction tube. NOTE: Apply a small
amount of grease on gasket to help keep gasket in place.
17. Slide (6) pump body over (26) plunger rod onto (10) tie rods. Seat
the (9) suction tube into (6) pump body.
18. Assemble the UPPER packing onto the (26) plunger rod and slide
into (6) pump body.
19. Install (1) solvent cup and hand tighten.
20. Push (26) plunger rod to expose (30) rod at bottom of pump. Place
(31) washer, (32) plate with beveled edges away from pump and
(33) nut onto (30) rod. Tighten (33) nut.
21. Push (30) rod until rod is inside (15) chamber body. Tighten (1) sol-
vent cup
.
PN 97999- 057
