Ingersoll-Rand PARTS LIST / 66615X-X-C FLUID SECTION, Torque Requirements, 29 , U, 26 , U

PARTS LIST / 66615X-X-C FLUID SECTION

COLOR CODE

	Diaphragm	Ball
Material	Color	Color
Acetal	N / A	Orange
E.P.R.	Blue (--)	Blue (S)
Hytrel	Cream	Cream
Neoprene	Green (--)	Green (S)
Nitrile	Black	Red (S)
Santoprene	Tan*	Tan
PTFE	White	White
Polyurethane	N / A	Red
Viton	Yellow (--)	Yellow (S)
	(--) Stripe	(S) Dot

*See item 8 in inset below.

.TORQUE REQUIREMENTS ,

NOTE: DO NOT OVERTIGHTEN FASTENERS.

(14)Diaphragm screw, 65 - 70 ft lbs (88.1 - 94.9 Nm.).

(26)Bolts, 240 - 280 in. lbs (27.1 - 31.6 Nm).

(29)Nuts, 120 - 140 in. lbs (13.6 - 15.8 Nm).

LUBRICATION / SEALANTS

kApply Key-Lube to all “O” rings, “U” Cups & mating parts. z Apply LoctiteR 271 to threads.

U Apply anti-seize compound to threads and bolt and nut flange heads which contact pump case when using stain- less steel fasteners.

29 , U

1

Santoprene 8
(Green when used as backer)	7 PTFE
	(white)

26 , U
16	FOR THE
	AIR MOTOR SECTION
	SEE PAGES 6 & 7
2 k
3 k	22
	19 k
	21

15

5Tab

59 U

7 6 k 3 9 14 , z

	27 U
32	22
16	21
26 , U	19 k
	Figure 2

Tab

View for 6661XX-XX4-C (PTFE diaphragm) configuration only.

Fluid

Side

Air	Air
Side	Side

Fluid

Side

Cross Section View of Diaphragms

1	3
8	5
10	9
6	7
4	2

Torque Sequence

66615X-X-C (en) Page 5 of 8