Alemite 7889-B 서비스 매뉴얼 - 페이지 8
{카테고리_이름} Alemite 7889-B에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Alemite 7889-B 14 페이지. High-pressure material pump
페이지 인쇄SER 7889-6
Body Seal (Packing)
13. Remove the Packing Screw from the Body.
IMPORTANT: Should the pump contain flat
packings in the Body (see Figure 5), the
pump must be converted to use Seal (14).
Replace existing Screw with Packing Screw
(11) [order separately].
14. Remove Upper Bearing (13), Seal (14), and Lower
Bearing (15) from the Body.
15. Remove Screws (9) and Lock Washers (10) that secure
the Upper Mounting to the Body as required.
• Separate the Upper Mounting from the Body.
Pump Tube
16. Move and secure the Bung Adapter to Adapter (39).
• Secure the pump assembly once again horizontally
in the vise.
17. Unscrew Primer Body (48 or 49) from Adapter (39).
18. Remove Stop Nut (47) from Primer Rod (38).
• Support the Primer Rod through the hole as needed.
19. Remove Plate (46) from the Primer Rod assembly.
20. Grip Upper Piston Rod (19) and pull the entire rod
assembly from the Pump Tube.
21. Remove Gasket (25), Valve Seat (45), and additional
Gasket (25) from the Adapter.
22. Remove Valve Body (44) [with attached components]
and Guide Washer (40) from the Adapter.
23. Remove Screw (41), nylon Washer (42), Seal (43) and
additional Washer (42) from the Valve Body.
24. Unscrew Pump Tube (24) from the Adapter.
• Use a strap wrench.
25. Remove Spacer (30) from Barrel Assembly (26).
IMPORTANT: Should the pump contain flat
packings in the obsolete Barrel Assembly
(see Figure 5), the pump must be converted
to use Seal (28), Bearing (29), and Spacer
(30). Order Barrel Assembly (26) separately.
26. Remove the Barrel Assembly from the Pump Tube.
27. Remove both aluminum Gaskets (25).
28. Remove brass Bearing (29), Seal (28), and nylon Wear
Ring (27) from the Barrel Assembly.
Revision (3-03)
Rod Assembly
29. Remove upper and lower Spring Clips (18) that secure
Lower Piston Rod (20) and Piston (31) to Coupling
(17).
30. Unscrew the Lower Piston Rod and the Piston from the
Coupling.
CAUTION
Support the Piston and Primer Rod assembly dur-
ing Roll Pin (37) removal. Damage to components
can occur.
31. Remove Roll Pin (37) that secures Adapter and Insert
Assembly (36) to Primer Rod (38).
• Use a punch and a small hammer.
32. Unscrew the Primer Rod and the Piston from the
Adapter and Insert Assembly.
33. Remove aluminum Washer (35), Ball (34), Spring
(33), and Retainer (32) from the Piston.
34. Separate Upper Piston Rod (19) from the Lower Piston
Rod as required.
Clean and Inspect
NOTE: Use the appropriate repair kit for
replacement parts. Make sure all the compo-
nents are included in the kit before discard-
ing used parts.
1. Clean all metal parts in a modified petroleum-based
solvent. The solvent should be environmentally safe.
2. Make sure to remove the thread sealant from both male
and female threaded connections.
3. Inspect all parts for wear and/or damage.
• Replace as necessary.
4. Inspect Upper Piston Rod (19), Piston (31), and Primer
Rod (38) closely. Use a magnifying glass to detect any
score marks.
• 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.
8
High-Pressure Material Pump
Alemite Corporation