Ingersoll Rand Heat Pump 72643D User Manual

OPERATOR’S MANUAL  
72643–D  
INCLUDING:ĂSERVICE KITS, GENERAL DESCRIPTION & TROUBLESHOOTING  
ALSOINCLUDEMANUALS:6641X-XAIRMOTORMANUAL,FORM3637-2GENERALINĆ  
FORMATION SHEET.  
72654–X–D  
RELEASED: 6–21–95  
(REV. A) IPP/PSE  
BASIC PUMP  
3” AIR MOTOR  
50:1 RATIO  
72643–D  
72654–X–D  
2 1/4” STROKE  
400 LB DRUM  
35 LB DRUM  
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,  
OPERATING OR SERVICING THIS EQUIPMENT  
.
SERVICE KITS  
PUMP DATA  
Use only genuine AROR replacement parts to assure compatible  
pressure rating and longest service life.  
637066-B for repair of Air Motor section.  
60520 for repair of Lower Pump section.  
66410  
Air Motor  
GENERAL DESCRIPTION  
This model is designed for delivery of heavy viscosity fluids such as  
chassis lubrication fluids. Material dispensing accessories and supply  
lines and fittings must be capable of withstanding pressures developed  
by pump.  
1/2 NPT  
Mat’l Outlet  
The ARO 50:1 ratio basic pump assembly consists of a 3" air motor  
``A
and lower pump end.  
l No.  
``A"  
``B"  
27.3"  
19.1"  
RATIO x REGULATED AIR PRESSURE TO AIR MOTOR = MAXIMUM FLUID  
PRESSURE.  
-D  
(485.1 mm)  
(693.4 mm)  
44.2"  
(1123.9 mm)  
36"  
-D  
(918.4 mm)  
The 50:1 ratio is an expression of the relationship between the air  
motor area and the lower pump end area. When 150 p.s.i. (10 bar)  
air pressure is supplied to the air motor, the lower pump end will  
develop a maximum of 7,500 p.s.i. (517 bar) fluid pressure (at no  
flow) - as the fluid control is opened, the flow rate will increase as  
the air motor cycle rate increases to keep up with the demand.  
44.5"  
(924.7 mm)  
36.2"  
-1-D  
(1130.2 mm)  
FIGURE 1  
Lower Pump  
Mat’l Inlet  
OPERATING AND SAFETY PRECAUTIONS  
HEED ALL WARNINGS.  
Donotoperatepumpcontinuouslyatspeedsinexcessof75cyclesperminĆ  
ute.  
DONOTEXCEEDMAXIMUMWORKINGPRESSUREOF7,500PSI(517  
BAR) AT 150 PSI (10 BAR) AIR INLET PRESSURE.  
WARNING : PREVENT STATIC SPARKING. If static sparking  
occurs, fire or explosion could result. Pump, dispensing  
valve and containers must be grounded when handling inĆ  
flammable fluids such as petroleum products, paints, lacĆ  
quers, etc. and wherever discharge of static electricity is a  
hazard.  
WARNING : HIGH PRESSURE DEVICE. Improper usage of  
this equipment could result in serious injury. The possibility  
of injection into the flesh is a potential hazard. Never allow any  
part of the human body to come in front of or in direct contact  
with the material outlet. An injection injury can be serious. If  
injection should occur, contact a qualified physician immediĆ  
ately for treatment.  
Usegroundedhoses(staticwire)andbesuretheobjectisgroundedifitcan  
produce a static charge.  
Use grounded hoses (static wire) and be sure the object is  
COMPONENTRUPTURE.Thispumpiscapableofproducinghighmaterial  
pressure as stated on pump model plate.  
grounded if it can produce a static charge.  
Be sure material hoses and other components are able to withstand fluid  
pressures developed by this pump.  
Disconnectair line from pump air motor when system sits idle for long periĆ  
ods of time.  
THE ARO CORPORATION D ONE ARO CENTER  
D
BRYAN, OHIO 43506–0151  
&
(419) 636–4242  
D
FAX (419) 636–2115  
E1995 THE ARO CORPORATION D PRINTED IN U.S.A.  
 
LOWER PUMP  
1
2
PARTS LIST  
ITEM Description  
1 Gasket  
Qty Part No.  
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
70834  
3
2 Rod (72643-D)  
Rod (72654-D)  
Rod (72654-1-D)  
3 Nut  
72645  
FLUID  
PASSAGE  
72641  
4
5
72641-1  
Y11-106-C  
72644  
4 Tube (72643-D)  
Tube (72654-D)  
Tube (72654-1-D)  
5 Gasket  
6
72642  
72642-1  
70837  
7
8
6 Ball Stop  
7 Plunger  
83276  
23  
71127  
9
8 Ball  
Y16-209  
70817  
24  
9 Adapter  
10  
11  
10 Suction Tube  
11 Primer Rod  
12 Washer  
71126  
72394  
71524  
13 Snap Ring  
14 ``U" Cup  
15 Spacer  
Y147-68  
Y186-4  
76705  
16 Body  
76704  
12  
13  
17 Spacer  
72392  
18 Gasket  
F21-65  
6797  
14  
15  
19 Seat  
20 Primer  
72387  
16  
17  
18  
21 Pin  
Y15-21  
72389  
22 Primer Tube  
23 Piston & Ball Check  
24 Piston & Tube  
71522  
19  
20  
21  
71523  
PUMP ASSEMBL  
Y
1. Place (8) ball into (7) plunger and insert rod assembly into (10)  
tube. Add (5) gasket to (10) tube and screw (4) tube onto (10) tube.  
2. Place (12) spacer, (16) body assembly, (17) spacer, (18) washer,  
(19) seat abd (20) primer into position. Secure by using (21) pin to  
keep primer in place.  
22  
3. Screw (22) primer tube onto (10) suction tube.  
4. Place air motor assembly in vise by clamping onto the machined  
flats on the air motor base.  
5. Install (1) gasket in throat of air motor base.  
6. Thread rod assembly into piston rod of air motor.  
-``Smart Parts" Keep these items on hand in addition to the Service Kits for fast repair and reduction of down time.  
72643-X-D  
Page 3 of 4  
 
TROUBLE SHOOTING  
No Material. (Stalled Pump.)  
Material on one stroke only. (Fast Upstroke.)  
Item (7) cup packing is worn. Remove the cup packing. Replace  
Obstructed Material Line. Disconnect air supply. Relieve all fluid  
cup packing.  
pressure in pump. Remove Obstruction in system.  
Material on one stroke only. (Fast Downstroke.)  
No Material (Pump Continually Cycles.)  
Item (11) ball in (12) seat is not properly seating. Remove the seat.  
Clean and inspect ball and seat. If either is damaged. replace with  
new parts.  
Empty material supply. Shut down system. Replenish material  
supply.  
P/N97999-634  
72643-X-D  
Page 4 of 4  
 

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