OPERATOR’S MANUAL
AF066X-XX
RELEASED:
8-16-10
REVISED:
2-28-17
(REV: D)
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.
6” AIR MOTORS
AF064X-XX (4” STROKE) and AF066X-XX (6” STROKE)
Also covers 637489 service kits
AF064X-XX
INCLUDING: SERVICE KITS, TROUBLESHOOTING, PARTS LIST,
DISASSEMBLY AND REASSEMBLY.
SERVICE KITS
Use only genuine ARO® replacement parts to assure com-
patible pressure rating and longest service life.
637489 for general repair of all air motors.
GENERAL DESCRIPTION
WARNING
DO NOT EXCEED MAXIMUM OPERATING
PRESSURE AS INDICATED ON PUMP MODEL PLATE.
WARNING
REFER TO GENERAL INFORMATION SHEET
FOR ADDITIONAL SAFETY PRECAUTIONS AND IMPOR-
TANT INFORMATION.
This manual only covers the air motor section. It is one of
four documents which support an ARO pump. Replace-
ment copies of these forms are available upon request.
Pump Model Operator’s Manual.
General Information for Air Operated or Hydraulically
Operated Pumps.
Lower Pump End Operator’s Manual.
Air or Hydraulic Motor Operator’s Manual.
The 6” air motor is a general purpose power unit and is
used with many 2-ball, 4-ball, and chop check pumps. It
utilizes tie rod type construction for easy breakdown and
it connects to the various lower ends via tie rods for easy
operation. Consult pump model operator’s manual for
specific instructions.
AF0645-XX
AF0660-XX
AF06XX-01
THIS MANUAL COVERS THE FOLLOWING MODELS
MODEL
AF0645-XX
AF0660-XX
Figure 1
OPERATING AND SAFETY PRECAUTIONS
DO NOT EXCEED MAXIMUM AIR INLET PRESSURE OF
150 P.S.I. (10.3 BAR) OR 75 CYCLES PER MINUTE.
CAUTION
High pressure equipment – Always dis-
connect air supply and relieve material pressure be-
fore attempting to service.
A ground lug is located on the air motor. This ground
lug allows proper grounding of the pump.
MODEL DESCRIPTION CHART
A F 06 X X – XX
Air Motor Diameter
06 - 6”
Air Motor Options
01 – Integrated On/Off Valve and Regulator
Air Motor Base/Rod Combination
0 - Divorced pump base with quick coupled rod connection
5 - Coupled high pressure pump base with female threaded
rod connection
(See Figure 4)
Stroke Length
4 - 4”, 6 - 6”
