Removing The Motor And Manifold Assembly; Repairing The Motor And Manifold Assembly - Arjohuntleigh FLOWTRON UNIVERSAL Service Manual

Flowtron Universal Service Manual
18

Removing the Motor and Manifold Assembly

CAUTION: Electrostatic discharge can seriously damage the control PCB assembly.
Adequate earthing/grounding precautions must be taken when handling it.
Note: It is not necessary to remove the hose set assemblies from the pump in order to replace the
motor and manifold assembly.
18.1 Separate the top case assembly from the front case (Refer to Page 15, Section 14).
18.2 Disconnect the stepper motor connector from the control PCB assembly (Fig 43, PCB Con 9).
18.3 Disconnect the small diameter transducer tube from the transducer on the motor and manifold
assembly (Fig 43, Item 10).
CAUTION: Do not disconnect the transducer tube from the transducer on the control
PCB assembly. The transducer is a sensitive device and is easily damaged.
18.4 Remove the four screws (Fig 43, Item 40), and carefully lift the motor and manifold assembly
from the control PCB and top case assemblies (Fig 43, Items 20 and 30).
Note: If the hose set assemblies are still connected to the top case assembly, the motor and
manifold assembly will be a tight fit on the elbow connectors on the hose sets.
Note: Do not loosen or remove the three screws (Fig 43, Item 50) which secure the stepper
motor to the manifold.
19

Repairing the Motor and Manifold Assembly

19.1 Only carry out the actions in this section if BOTH of the following criteria are true:
• The serial number of the pump is LESS than that detailed in Para 19.3 (below).
• The pump exhibits any of the problems detailed in Refer to Page 20, Section 19.4.
19.2 Flowtron Universal Pump Part Numbers affected:
507001
507003
507004DE
507004FR
507004IT
507004NL
507009AU
507009ZA
19.3 Flowtron Universal Pump Serial Numbers affected:
Serial numbers LESS than:
Note: All pumps from serial number 507025900 onwards have been built with the modified
motor and manifold assembly fitted.
Issue 2
Sep 2009
Flowtron Universal Pump, UK / Saudi Arabia
Flowtron Universal Pump, USA / Canada
Flowtron Universal Pump, Germany
Flowtron Universal Pump, France
Flowtron Universal Pump, Italy
Flowtron Universal Pump, Netherlands / Belgium
Flowtron Universal Pump, Australia / New Zealand
Flowtron Universal Pump, South Africa / India
507025900
SER0009
Pump Repair
Chap 5
Page 19