Ingersoll-Rand ARO 612041 Series User manual

OPERAT OR’S MANUAL 612041–X
RELEASED: 10–23–86
REVISED: 8–8–97
(REV. G)
2” AIR MOTOR
1:1 RATIO
0 – 150 PSI RANGE
!' !' % !$ !"$ &"! #!B
INCLUDING: SPECIFICA TIONS, SER VICE KITS, GENERAL INFORMA TION, P ARTS, TROUBLESHOOTING
2” DIFFERENTIAL
TRANSFER PUMP
READ THIS MANUAL CAREFULL Y BEFORE INST ALLING,
OPERA TING OR SER VICING THIS EQUIPMENT .
It is the responsibility of the employer to place this information in the hands of the operator . Keep for future reference.
SERVICE KITS
•';. 764@ 0.6=26. $":.84*,.5.6< 8*:<; <7 *;;=:. ,758*<2+4.
8:.;;=:. :*<260 *6- 4760.;< ;.:>2,. 42/.
• /7: 2: 7<7: :.8*2: ;.. 8*0. 
• /7: 7?.: #=58 .6- =6* ))! :.8*2: ;.. 8*0. 
• /7: 7?.: #=58 .6- &./476 :.8*2: ;.. 8*0. 
SPECIFICATIONS
0&'- '3+'4 ((
:1' 2: "8.:*<.- <:*6;/.: 8=58
#5+0 
+3 0503 +#.'5'3   ,5
530,'   ,5
+3 /-'5    !#&   /
#5'3+#- /-'5 55.:;.-
#5'3+#- 65-'5    !#&   /
6.1 0/4536%5+0/ *:+76 %<..4
+.'/4+0/#- #5# %.. 1*:<
'+)*5 %.. 1*:<

+3 /-'5 3'4463' #/)'    #%    +*:
-6+& 3'4463' #/)'    #%    +*:
#9 '%& :%-'4  +/65' 
+41-#%'.'/5 /'3 :%-' 
0-6.'  :%-'  7A  54
:%-'4 '3 #--0/ 
#9+.6. 03,+/) -08 #5'  085  45
#9+.6. -08 #5'  085  45
0+4' '7'-   -+   8;2  ,@,4.; 8.: 526=<.
&1. 8=58 ;7=6- 8:.;;=:. 4.>.4 1*; +..6 =8-*<.- <7 *6 9=2>*4.6< 76<26=7=; %7=6-
.>.4 .9 <7 5..< <1. 26<.6< 7/ !% %  #!'$"# % =;260 /7=:
52,:78176. 47,*<276;
GENERAL DESCRIPTION
&1. :7  -2//.:.6<2*4  :*<27 <:*6;/.: 8=58; *:. 26<.6-.- <7 +. =;.-
8:25*:24@ /7: 724 <:*6;/.: *6- -.42>.:@ ;@;<.5; < 2; +.;< <7 =;. <12; 8=58
?2<1 47?  5.-2=5 >2;,7;2<@ /4=2-; < =;.; ,*:+76 ;<..4 *6- 7<1.: 5*<.C
:2*4; ?12,1 5*3. 2< ,758*<2+4. ?2<1 57;< 8.<:74.=5 +*;.- 4=+:2,*<276
8:7-=,<;
OPERATING AND SAFETY PRECAUTIONS
WARNING '#& 5*' '/'3#- /(03.#5+0/ #/6#- (03 01'3#5;
+/) #/& 4#('5: 13'%#65+0/4 #/& +.1035#/5 +/(03.#5+0/
PUMP DA TA
FIGURE 1
Material Inlet
Immersed
Air Inlet (female)
1/4” – 18 NPTF – 1
 !!
Material Outlet (female)
3/4” – 14 NPTF – 1
!"& 25.6;276; *:. ;17?6 26 26,1.; *6- 55 ;=8842.- /7: :./.:.6,. 764@ *6- *:. <@82,*44@
:7=6-.- =8 <7 <1. 6.*:.;<  26,1
 "" 55 "" 55  30
(      
(      
""
""


*+4 +4 0/' 0( 580 &0%6.'/54 8*+%* 4611035 5*' 16.1
'1-#%'.'/5 %01+'4 0( 5*'4' (03.4 #3' #7#+-#$-' 610/ 3'26'45
! " "#$&"$% !'
 !$ !"$ &"! '$&"! #%&"! #' #%
1997 PRINTED IN U.S.A.
 (419) 636–4242  F AX (419) 633–1674
INGERSOLL–RAND COMPANY
ONE ARO CENTER  BR Y AN, OHIO 43506–0151


AGE2OF4 612041-X
PARTS LIST / AIR MOT OR SECTION
ITEM DESCRI TION (Size in Inches) QTY ART NO. [MTL]
1 Cap (1) 76073-2 [A]
2 Washer (1) 77290 [C]
3 ``O" Ring (3/32" x 2-5/16" o.d.) (1) Y325-138 [B]
4 Spring (1) 77208 [C]
5 Button (1) 90638 [C]
6 Cylinder (1) 76074-2 [A]
7 Spacer and iston Assembly (1) 61088
8Screw (#4-40x3/8") (3) Y222-54-C [C]
9 Valve late (1) 76090 [C]
10 iston Assembly (1) 60656 [B/C]
11 Valve Spacer (1) 76856 [D]
12 Gasket (1) F21-53 [Co]
13 lunger Tip (1) 77794 [C]
14 ``O" Ring (1/8" x 1-1/4" o.d.) (1) Y325-214 [B]
15 lunger (1) 76215 [C]
16 ``O" Ring (3/32" x 2-1/16" o.d.) (1) Y325-134 [B]
17 Spring (1) 76070 [C]
18 ump Body (1) 77807 [A]
19 ``O" Ring (.275" x 1.837" o.d.) (1) 77803 [B]
20 Ground Screw (#10 - 32 x 1/4")(page 3) (1) 93005 [C]
21 Dowel in (3/16" dia. x 1-1/8") (1) Y148-29 [C]
arts in Repair Kit 637084
 
"#  091-291 "#  %78 632 "#  8%-20)77 8))0
"#  92% $$ "3#  344)6 "#  )*032
"6#  6%77 "#  ')8%0 " #  -832
"#  %6&32 8))0 "!#  <032
PUMP DISASSEMBL Y
 00 8,6)%(7 %6) 6-+,8 ,%2(
 0%') 8,)  (-**)6)28-%0 4914 -2 % :-7) 38%8) 8,) 4914 73 8,) 1%>
8)6-%0 3980)8 -7 6)78-2+ %+%-278 8,) :-7) .%;  3 238 '0%14
8,) 4914 833 8-+,80<
FIGURE 3
1
3
2
4
5
6
8
9
10
11
7
12
13
14
15
17
16
18
19
21
FIGURE 2
1/4 N. .T.F. - 1
 0%') % 786%4 ;6)2', %6392( 8,)  '%4 %2( 6)13:) 8,) '%4 * 8,)
 '<0-2()6 '31)7 3** ;-8, 8,)  '%4 40%') 8,) '%4 -2 % :-7) %2(
97) % 786%4 ;6)2', %6392( 8,)  '<0-2()6 83 927'6); -8 *631 8,)
'%4  3 238 759))=) 36 97) % 4-4) ;6)2', 32  '<0-2()6
 )13:)  $$ 6-2+
 7-2+ % 786%4 ;6)2', %7 7,3;2 -2 *-+96)  928,6)%( %2( 6)13:)
8,)  '<0-2()6 *631 8,)  4914 &3(<
 )13:)  $$ 6-2+ *631 8,)  4914 &3(<
 28,6)%( %2( 6)13:)  74%')6 %2( 4-7832 %77)1&0< *631 8,) 
4092+)6 8-4
 )13:)  +%7/)8 *631  4092+)6 8-4
9
FIGURE 4
10
11
8
35
37
38
22
39
'328-29)( 32 4%+) 

PAGE3OF4612041-X
PARTS LIST / LOWER PUMP SECTION
ITEM DESCRIPTION (Size in Inches) TY PART NO. [MTL]
22 Piston Rod (1) 77804 [C]
23 ``O" Ring (1/16" x 5/8" o.d.) (1) Y325-14 [B]
24 Plug (1) 79057 [NY]
25 ``O" Ring (3/32" x 2-1/16" o.d.)
61204X-1, -4 (1) Y325-134 [B]
612041-3 (1) Y327-134 [V]
26 ``O" Ring (3/32" x 1-7/16" o.d.)
61204X-1, -4 (1) Y325-124 [B]
612041-3 (1) Y327-124 [V]
27 Groove Pin (1/8" dia. x 3/4") (1) Y122-85 [C]
28 Collar (1) 76900 [C]
29 Washer (612041-3 only) (1) 77910 [C]
30 Packing (61204X-1 and -4 only) (2) 75649 [B]
31 ``O" Ring (1/16" x 1/2" o.d.)
61204X-1, -4 (1) Y325-12 [B]
612041-3 (1) Y327-12 [V]
32 Retaining Ring (1) 77801 [C]
33 Piston 61204X-1 and -4 (1) 75648 [D]
612041-3 (1) 77827 [T]
34 Suction Tube 612041-( ) (1) 77798 [C]
612042-1 (1) 77814 [C]
35 Washer (1) 77797 [C]
36 Tube (1) 77806 [C]
37 Cup 61204X-1 and -4 (1) 77796 [B]
612041-3 (1) 77826 [T]
38 Washer (1) 77800 [C]
39 Nut (3/8" - 24) (1) Y115-14 [SS]
40 Stem (1) 76093 [C]
41 Plate (1) F58-3 [C]
42 Valve Body (1) F259-1 [CI]
43 Foot Valve Asm (includes items 40 - 42) (1) 60657
44 Bung Adapter (includes item 45) (1) 60870 [C]
45 Screw (1/4" - 20 x 1-1/2") (1) Y197-158-C [C]
48 Needle Valve (see figure 1) (1) 92818 [Br]
        
      
20
23
24
22
25
26
34
35
41
42
40
32
31
30
33
28
27
43
37
38
39
36
29 33
612041-3
3/4 N.P.T.F. - 1

PN 97999–093

 
PUMP DISASSEMBL Y (continued)
 '3(13/ 45'24  5*36  10.: +(  42#%'3 #0& 2+4510 #44'/$.:
0''&4 4'37+%+0)
 '/17' 5*' 5*3''  4%3'84 (31/ 5*'  7#.7' 42#%'3 4'' (+)63' 
 '/17' 5*'  7#.7' 2.#5'
 '/17' 5*'  7#.7' 42#%'3 (31/ 5*'  2+4510 #44'/$.:
 05*3'#&  2.60)'3 5+2 (31/ 5*'  2.60)'3 $: 64+0) # 83'0%*
10 5*' (.#54 1( 5*'  2.60)'3 5+2 #0& # 453#2 83'0%* 10 5*' 
2.60)'3   .#%' 5*' 453#2 83'0%* 10 5*' 7'3: 622'3 /145
2#35 1( 5*'  2.60)'3
 '/17'  "" 3+0)
 '/17'  &18'. 2+0
 '/17'  2.60)'3 5+2
 '/17'  2.60)'3
 '/17'  423+0) (31/ 5*'  26/2 $1&:
 '/17'  "" 3+0) (31/ 5*'  26/2 $1&:
 4+0) # 2+2' 83'0%* 605*3'#& #0& 3'/17' 5*'  46%5+10 56$'
(31/ 5*'  26/2 $1&:   .#%' 5*' 2+2' 83'0%* 10 5*'
7'3: 622'3 /145 13 7'3: .18'3 /145 2#35 1( 5*'  46%5+10 56$' 1
015 &#/#)' 13 &'05 5*+4 56$'
 '/17'  "" 3+0) (31/ 5*'  26/2 $1&:
 3#42 5*'  2+4510 31& #0& 3'/17' $: 26..+0) 453#+)*5 165
 4+0) # 453#2 83'0%* 10  56$' 605*3'#& #0& 3'/17' (31/ 
26/2 $1&:   1 015 &#/#)' 13 &'05 5*+4 56$'
 '/17'  "" 3+0) (31/  26/2 $1&:
 '/17'  2.6) #0&  "" 3+0)
 .#/2 5*'  +05#-' 7#.7' #44'/$.: +0 # 7+4' 4+0) # 453#2
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