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Alemite Corporation

5

Revision (12-07)

Severe-Duty Welding Hose Reel

SER 7338-C

Overhaul

NOTE

: Refer to 

Figure 2

 for component

identification on all overhaul procedures.

WARNING

Release all pressure within the system

prior to performing any overhaul procedure. 

• Disconnect  each  delivery  connecting  hose  at

the reel.

Read each step of the instructions carefully. Make
sure a proper understanding is achieved before
proceeding.

Disassembly

IMPORTANT: Prior to disassembly, release
tension on the power spring.

  1. Pull on the delivery hose to unlatch the reel.

  2. Allow the hose to retract onto the reel.

  3. Turn the reel in the same direction until the power 

spring bypasses Spring Arbor (

44

).

• A pronounced “click” will sound.

  4. Unwrap each coil of hose from Sheave Assembly (

16

).

  5. Remove Wing Nuts (

14

) and Washers (

13

) that secure 

U-Bolt (

15

) to the Sheave Assembly.

• Remove the U-Bolt from the Sheave.

Sheave and Power Spring Assembly

  6. Remove the Swivel Shaft (with attached components) 

from Shaft and Flange Assembly (

40

).

  7. Remove Retaining Ring (

11

) and Washer (

12

) from the 

Shaft and Flange Assembly.
• Use care not to mar the surface of the shaft.

  8. Remove the Sheave and Power Spring Assembly from 

the Shaft and Flange Assembly.

Note:

 Perform steps 9-11 only if replacing Sheave 

Assembly 

(16)

 or Power Spring Assembly 

(36

).

  9. Position the Sheave and Power Spring Assembly with 

the ratchet upward.

WARNING

Do not disassemble the Power Spring Assembly.
The spring within the case is under high-tension.
Personal injury can occur.

10. Drill out Rivets (

45

) that secure Power Spring 

Assembly  to the Sheave Assembly.
• Remove the Power Spring Assembly from the 

Sheave Assembly.

11. Remove Gasket (

25

) from the Sheave Assembly.

12. Remove O-Ring (

27

) from the Power Spring 

Assembly.

Base and Hose Guide Assembly

13. Remove O-Ring (

41

) from the Shaft and Flange 

Assembly.

14. Remove Spring Arbor (

44

) from the Shaft and Flange 

Assembly.
• Remove Woodruff Key (

43

).

15. Remove Ball Bearing (

42

) from the Shaft and Flange 

Assembly.

16. Remove additional O-Ring (

41

) from the Shaft and 

Flange Assembly.

17. Remove Nuts (

30

) that secure Hose Guide Arm (

29

) to 

Base Assembly (

37

).

• Remove the Hose Guide Arm from the Base 

Assembly.

18. Remove Jam Nuts (

38

) that secure the Shaft and 

Flange Assembly to the Base Assembly.
• Remove the Shaft and Flange Assembly from the 

Base Assembly.

19. Remove Bolts (

39

) from the Shaft and Flange 

Assembly as required.

20. Remove Nut (

28

) that secures Screw (

19

) to the Base 

Assembly.
• Remove the Screw and Pawl Spring Sleeve (

20

) from 

the Base Assembly and Pawl Spring (

21

).

21. Remove Nut (

36

) that secures the Latch Pawl assembly 

to the Base Assembly.
• Remove the Latch Pawl assembly from the Base 

Assembly.

Summary of Contents for 7338-C

Page 1: ...l injury can occur due to explo sion Hose reel model 7338 C is designed for use on a truck to mount to a ceiling or wall The reel is spring powered and self retracting When the hose is extended the re...

Page 2: ...SER 7338 C Severe Duty Welding Hose Reel Revision 12 07 2 Alemite Corporation Figure 2 Severe Duty Welding Hose Reel Exploded View...

Page 3: ...9206 22 22 Spring Wave 1 339207 36 23 Pawl 1 339208 17 24 Shaft Pawl 1 339209 12 25 339243 1 Gasket Spring Case Sponge Rubber 1 339210 21 26 339200 C Spring Assembly Power 1 339211 30 27 171009 44 O R...

Page 4: ...SER 7338 C Severe Duty Welding Hose Reel Revision 12 07 4 Alemite Corporation...

Page 5: ...eps 9 11 only if replacing Sheave Assembly 16 or Power Spring Assembly 36 9 Position the Sheave and Power Spring Assembly with the ratchet upward WARNING Do not disassemble the Power Spring Assembly T...

Page 6: ...rior to assembly certain components require lubrication Refer to Tables 1 and 2 for details Pawl Assembly NOTE Refer to Figures 2 3 and 4 for com ponent identification on assembly proce dures 1 Instal...

Page 7: ...y in five 5 different positions Select the required relationship of the Guide to the mounting plate of the Base Assembly 14 Secure the Hose Guide Arm to the Base Assembly with Nuts 30 Tighten the Nuts...

Page 8: ...flon tape is recommended Personal injury can occur due to explosion 27 Screw Hose Connector 6 and 7 with Teflon tape into each Street Elbow 5 as required Tighten each Connector securely 28 Screw each...

Page 9: ...l IMPORTANT Should the reel mount to a ceiling it is mandatory that the reel be installed at a height no greater than 20 6 1 m from the floor Should the existing ceiling height be greater mount the re...

Page 10: ...ing on the hose will not release the latch mechanism Should the reel latch in this condition it will be necessary to have an assistant maintain tension on the hose while the latching mechanism is manu...

Page 11: ...rease power spring pre wind 2 Remove hose slowly when close to being fully extended Fuel leakage at the Swivel Assembly 1 Connection s not sufficiently tight and or Teflon tape missing 2 Worn or damag...

Page 12: ...Revision 12 07 12 Alemite Corporation SER 7338 C Severe Duty Welding Hose Reel...

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