Ingersoll-Rand 6661AX-X-C For AIR Motor Section See Pages 6, Torque Requirements, Color Code

PARTS LIST / 6661AX-X-C FLUID SECTION

36 33�

38�

37

26�

24

34

FOR THE

AIR MOTOR SECTION

SEE PAGES 6 & 7	39
2 �	5

61

6661XJ -X

6661XK-X

6661XL-X

6661XN-X

6661XS-X

6661XT-X

61

6661XF-X

6661XG-X

6661XR-X

22

19�

21

33�

29�

15

COLOR CODE

DIAPHRAGM BALL

MATERIAL COLOR COLOR

EPR		Blue (--)	Blue (•)
HYTREL		Cream	N/A
NEOPRENE		Green (--)	Green (•)
NITRILE		Red (--)	Red (•)
SANTOPRENE		Cream*	Cream
SANTOPRENE		Green	N/A
	(Backup)
PTFE		White	White
POLYURETHANE		N/A	Red
VITON		Yellow (--)	Yellow (•)
		(--) STRIPE	(•)DOT

1 3 �

7

LUBRICATION /SEALANTS

�Apply Key-Lube grease to all “O” rings, “U” Cups & mating parts.

4 � 6 �

36 33�

28

27�

22

19�

21

33�

24

8

AIR SIDE

SANTOPRENE

(GREEN when used as backer)

7

FLUID SIDE

PTFE

(WHITE)

VIEW FOR -XX4 (PTFE DIAPHRAGM) CONFIGURATION ONLY

�TORQUE REQUIREMENTS�

NOTE: DO NOT OVERTIGHTEN FASTENERS

(6)Diaphragm Nut 25 - 30 ft lbs (33.9 - 40.7 Nm), lubricate face with Key-Lube grease and

apply Loctite 271 to threads.

(25, 26, 27, 29) Fluid Caps / Manifold Bolts 120 - 140 in. lbs (13.6 - 15.8 Nm), apply Loctite Nickel Antiseize to threads.

(38) Bolt 40 - 45 in. lbs (4.5 - 5.1 Nm).

25�

35

60

6661XJ-X

6661XK-X

6661XL-X

6661XN-X

6661XS-X

6661XT-X

60

6661XF-X

6661XG-X

6661XR-X

Figure 3

6661AX-X-C Page of 8