Page 4 of 8
651785 (en)
PARTS LIST / 651785 REGULATOR
1 Bolt
(7/16” - 20 x 5-1/2”)
(4)
93487-1
[C]
2 Lock Washer
(7/16”)
(4)
Y79-716
[C]
3 Housing
(1)
93534- 1
[ZA]
4 Washer
(1)
93485-1
[C]
5 Thrust Bearing
(1)
93484-1
[C]
6 Adjusting Screw
(1)
93486-1
[C]
7 Plate
(1)
93818
[SS]
8 Adjustment Nut
(1)
93481-1
[C]
9 Spring Stop
(1)
96348-5
[SS]
10 Spring
(1)
93638- 1
[C]
11 Plate
(1)
93820
[C]
12 Cap Screw
(#10 - 32 x 7/8”)
(1)
Y191-107
[C]
13 Lock Washer
(#10)
(1)
Y14-10
[C]
14 Piston
(1)
93821
[C]
15 Cap Screw
(7/16” - 20 x 7/8”)
(2)
Y157-778
[C]
16 Plate
(1)
93532-1
[C]
`
17 Diaphragm
(0.048” thick, cream)
(1)
93498-1
[H]
`
18 Diaphragm
(0.020” thick, white)
(1)
93497-1
[T]
`
19 "O” Ring
(1/16” x 9/16” o.d.)
(1)
Y328-13
[T]
`
20 "O” Ring
(3/32” x 1-3/8” o.d.)
(1)
Y328-123
[T]
V
21 Stem Assembly
(1)
92985
[SS/TC]
22 Base
(1)
93541-1
[SS]
V
23 "O” Ring
(1/16” x 5/8” o.d.)
(1)
Y328-14
[T]
V
24 Seat
(1)
93558-1
[TC]
V
25 Ball
(0.2500” dia.)
(1)
93561-1
[TC]
V
26 Spring
(1)
93881
[SS]
V
27 Flow Tube
(1)
93489-1
[SS]
28 "O” Ring
(0.097” x 0.949” o.d.)
(1)
93492-1
[T]
V
29 Seat Plug
(includes item 28)
(1)
62168
[SS]
30 Flush Plug
(not shown)
(1)
93819
[C]
31 3/8” Allen Wrench
(not shown)
(1)
Y106-109
[C]
`
Items included in Diaphragm Kit
61962-1
MATERIAL CODE
[C] = Carbon Steel
[H] = Hytrel
[SS] = Stainless Steel
[T] = PTFE
[TC] = Tungsten Carbide
[ZA] = Zinc / Aluminium Alloy
Item Description (size)
Qty
Part No.
[Mtl]
Item Description (size)
Qty
Part No.
[Mtl]
REGULATOR REASSEMBLY
Also refer to parts list and views on pages 4 and 5.
1. Place the (21) stem assembly in a vise, clamping on the
flats.
2. Assemble the (19) “O” ring to the groove in the (21) stem
assembly.
3. Assemble the (18) white diaphragm (0.020” thick) and
the (17) cream diaphragm (0.048” thick) onto the (21)
stem assembly. NOTE: Assemble the white diaphragm
onto the stem assembly first.
4. Assemble the (14) piston to the stem assembly.
5. Align the notches in the diaphragms and secure the
assembly with the (13) lock washer and (12) cap screw.
NOTE: Tighten (12) cap screw to 65 - 75 in. lbs (7.3 - 8.5
Nm).
SERVICE HINT: Use the (15) cap screw to help align the
diaphragms.
6. Remove the assembly from the vise.
7. Place the (22) base in a vise, clamping on flats.
8. Place the (20) “O” ring in the groove in the (22) base.
9. Assemble the stem / diaphragm / piston assembly to the
(22) base, aligning the bolt holes.
10. Apply Dri-Slide to the (14) piston and assemble (16)
plate over piston, aligning bolt holes.
11. Apply Loctite 242 to threads of (15) cap screws
and assemble to (22) base, securing (16) plate.
NOTE: Tighten the cap screws alternately and evenly.
First tighten snug, then tighten to 20 - 25 ft lbs (27.1 -
33.9 Nm), then tighten to 50 - 55 ft lbs (67.8 - 74.6 Nm).
12. Place the (11) plate (ball side down) into the hex of the
(12) cap screw.
13. Assemble the (10) spring to the (11) plate and assemble
the (9) spring stop over the spring.
14. Assemble the (3) housing and components to the (16)
plate, securing with (2) lock washers and (1) bolts.
NOTE: Apply Loctite nickel anti-seize to threads of bolts
then tighten alternately until snug, then torque to 20 -
25 ft lbs (27.1 - 33.9 Nm).
15. Assemble (23) “O” ring, (24) seat and (27) flow tube into
(22) base.
16. Assemble the (25) ball and (26) spring (small end against
ball) into (27) flow tube.
17. Assemble (28) “O” ring to (29) seat plug and assemble
seat plug to (22) base.
V
“Smart Parts” keep these items on hand in addition to the Service Kits for fast repair and reduction of down time.
SERVICE NOTE: “Dri-Slide”, FXR is a commercially available Anti-Rust lubricant (contains 9% Molybdenum Disulfide) or Molybdenum Disulfide Powder with or without light oil carrier.
