ARO 650719-C Operator's Manual - Page 4

Browse online or download pdf Operator's Manual for Water Pump ARO 650719-C. ARO 650719-C 8 pages. 2" diaphragm pump u.l. listed, 1:1 ratio, metallic

Print Page

637138-63 fl uid section service kits include: Balls (item 22), diaphragms (item 7) plus items 2, 3, 19 and 93706-1 Key-Lube grease

(page 6).

Item Description

(size)

1 Rod

2 "O" Ring

(3/32" x 1" o.d.)

3 "O" Ring

(1/16" x 3/4" o.d.)

5 Plate - air side

6 Plate - fl uid side

7 Diaphragm

9 Washer

(0.630" i.d.)

14 Screw

(5/8" - 18 x 1-1/2")

15 Fluid Cap

16 Manifold

(top with valve port)

Manifold

(bottom)

Service Note: Part number 98931-T installation tool is available separately for use with items (1) and (2).

"Smart Parts", keep these items on hand in addition to the service kit for fast repair and reduction of down time.

Service Kit Note: Extra "O" rings are included in kits to service models built prior to December 1989.

FLUID SECTION DISASSEMBLY

Remove top manifold(s).

Remove (22) balls, (19) "O" rings and (21) seats.

Remove (15) fl uid caps.

Remove (14) screw, (9) washer, (3) "O" ring, (6) plate, (7)

diaphragm and (5) plate.

Remove (3) "O" rings.

NOTE: Do not scratch or mar the surface of (1) diaphragm

rod.

Page 4 of 8

PARTS LIST / 650719-C FLUID SECTION

PARTS LIST

Qty Part No.

[Mtl]

(1) 98720-1

[C]

(1) Y330-117

[B]

(4) Y327-16

[V]

(2) 92752

[C]

(2) 92752

[C]

(2) 92755-3

[V]

(2) 93065

[SS]

(2) Y5-107-T

[SS]

(2) 92750

[A]

(1) 93129

[A]

(1) 92855

[A]

Item Description

(size)

19 "O" Ring

(1/8" x 2-3/4" o.d.)

21 Seat

22 Ball

(1-3/4" diameter)

26 Bolt

(3/8" - 16 x 1-1/4")

27 Bolt

(5/16" - 18 x 2-1/4")

29 Nut

(5/16" - 18)

32 Leg

43 Ground Lug

(see page 7)

59 Bolt

(5/16" - 18 x 2")

81 Relief Valve

FLUID SECTION REASSEMBLY

Reassemble in reverse order.

Clean and inspect all parts. Replace worn or damaged

parts with new parts as required.

Lubricate (1) diaphragm rod and (2) "O" ring with Key-

Lube "O" ring lube or equivalent.

Use ARO pn 98931-T bullet (installation tool) to aid in in-

stallation of (2) "O" ring on (1) diaphragm rod.

Be certain (7) diaphragms align properly with (15) fluid

caps before making fi nal torque adjustments on bolt and

nuts to avoid twisting the diaphragm.

Re-check torque settings after pump has been re-started

and run a while.

Qty Part No.

[Mtl]

(4) Y327-230

[V]

(4) 92942

[K]

(4) 92757-6

[D]

(8) Y6-66-C

[C]

(4) Y6-510-C

[C]

(20) Y12-5-C

[C]

(2) 92759

[C]

(1) 93004

[Co]

(16) 93608

[C]

(1) 96333

[Br]

MATERIAL CODE

[A] = Aluminum

[B] = Nitrile

[Br] = Brass

[C] = Carbon Steel

[Co] = Copper

[D] = Acetal

[K] = Kynar PVDF

[SS] = Stainless Steel

[V] = Viton

650719-C (en)