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SER 339610-1
Valve Body Assembly
24. Unscrew Valve Body (28) from Cylinder (25).
25. Remove O-Ring (12) , Stop (26), and Ball (27) from
the Valve Body.
Clean and Inspect
1. Clean all metal parts in cleaning solvent. The solvent
should be environmentally safe.
2. Inspect all parts for wear and/or damage.
• Replace as necessary.
3. Inspect Air Piston (5) and Fluid Piston (21) for fatigue
cracks.
• Replace as necessary.
4. Inspect Rod (19) closely. Use a magnifying glass to
detect any score marks on the Rod.
• Replace as necessary.
5. Closely inspect the mating surfaces of all check valve
components for any imperfections. Ensure a smooth
and clean contact is obtained when assembled.
EXAMPLE: Place Ball (27) into Valve
Body (28). Fill the Valve Body with solvent.
Make sure no leakage occurs.
Assembly
NOTE: Prior to assembly, certain compo-
nents require lubrication. Refer to Table 3
for details.
Pump Tube Assembly
NOTE: Refer to Figure 4 for a section view
of the pump tube assembly.
Item No.
7
O-Ring, 3/8 " ID x 1/2 " OD
9
O-Ring, 2-3/4 " ID x 3 " OD
8
Quad-Ring, 2-5/8 " ID x 3 " OD
Revision (8-06)
Description
Clean Oil
Magnalube-G Teflon Grease
Coat the Inside Diameter of the Air Motor Assembly
Table 3 Lubricated Components
1-800-548-1191 - http://www.partdeal.com - info@partdeal.com
Pump Body Assembly
1. Install and seat Seal (14) [stem end first], Bearing (15)
[stepped end first], Seal (16) [stem end first], and
Washer (17) into the bottom of Pump Body (10).
2. Secure the components with Retaining Ring (18).
• Make sure the Retaining Ring seats properly in the
groove.
3. Install O-Ring (9) onto the top groove of the Pump
Body.
• Install O-Ring (12) onto the bottom groove of the
Pump Body.
4. Screw Bushing (13) [with thread sealant] into the
Pump Body as required
• Tighten the Bushing securely.
Rod and Fluid Piston
5. Install Retaining Ring (20) onto Rod (19) as required.
IMPORTANT: Make sure the ground side of
Plate (23) contacts Fluid Piston (21).
6. Install Fluid Piston (21) [segmented side first], Gasket
(22), and Plate (23) [ground side first] onto the bottom
of the Rod.
7. Install Nut (24) that secures the Plate to the Rod.
• Tighten the Nut securely.
• Place an appropriate size punch or other suitable tool
into the hole of the Rod.
CAUTION
Install the Rod assembly into the Body with a
twisting motion. Use care not to damage the Seals.
8. Install the Rod assembly into the bottom of the Pump
Body.
• Position the Fluid Piston flush with the bottom of the
Body.
Item No.
12
O-Ring, 3 " ID x 3-1/8 " OD
16
Seal, 1/2 " ID x 7/8 " OD
14
Seal, 1/2 " ID x 3/4 " OD
6
Low-Pressure Transfer Pump
Description
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