Alemite 7338-C Service Manual
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Alemite 7338-C Service Manual

Severe-duty welding hose reel
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Severe-Duty Welding Hose Reel
Description
WARNING
Hose reel model 7338-C is de-
signed to deliver acetylene and oxygen
only.
Do not use with any other fuel gas.
Personal injury can occur due to explo-
sion.
WARNING
The bore of any reel component
that contacts fuel gas must be free of any
petroleum-based material.
Personal 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 reel
can be latched on either of two ratchet sections
per revolution of the sheave. A pull releases the
latch from the ratchet and allows the hose to
retract onto the reel.
Fuel-Gas Swivel Assembly
The fuel-gas swivel assembly has 9/16-18
hose connections. The oxygen connection is
right-hand threaded and the acetylene is
left-hand.
Twin-Welding Hose
The reel handles a maximum of 50 feet of
1/4 " ID twin-welding hose.
This document contains confidential information that is the property of Alemite Corporation
670778
and is not to be copied, used, or disclosed to others without express written permission.
Service Guide
Oxygen Inlet
1/4 " NPTF (f)
Figure 1 Severe-Duty Welding Hose Reel Model 7338-C
* The base of the reel must be at a height no greater than
20 feet (6.1 m) from the floor to comply with the warranty.
Alemite Corporation
PO Box 473515, Charlotte, North Carolina 28247-3515
www.alemite.com
©
Copyright
2000 by Alemite Corporation
Reel Max. Pressure
Acetylene Inlet
psi
1/4 " NPTF (f)
200
Caution
Revision (12-07)
7338-C
Bars
13.8
SER 7338-C

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Summary of Contents for Alemite 7338-C

  • Page 1 PO Box 473515, Charlotte, North Carolina 28247-3515 www.alemite.com © Copyright 2000 by Alemite Corporation SER 7338-C This document contains confidential information that is the property of Alemite Corporation 670778 Revision (12-07) and is not to be copied, used, or disclosed to others without express written permission.
  • Page 2 SER 7338-C Severe-Duty Welding Hose Reel Figure 2 Severe-Duty Welding Hose Reel - Exploded View Revision (12-07) Alemite Corporation...
  • Page 3 Severe-Duty Welding Hose Reel SER 7338-C Item Numeric Order Part No. Description Notes Part # (Item #) 339525 Swivel Assembly, Welding Includes items 1-10 (13) 14534 (14) 339530 Shaft, Swivel 50876 77696 (38) Bearing, Split (Plastic) O-Ring, 1/2 " ID x 11/16 " OD...
  • Page 4 SER 7338-C Severe-Duty Welding Hose Reel Revision (12-07) Alemite Corporation...
  • Page 5 Severe-Duty Welding Hose Reel SER 7338-C Overhaul WARNING NOTE: Refer to Figure 2 for component Do not disassemble the Power Spring Assembly. identification on all overhaul procedures. The spring within the case is under high-tension. Personal injury can occur. WARNING 10.

  • Page 6: Pawl Assembly

    SER 7338-C Severe-Duty Welding Hose Reel Pawl Assembly Assembly 22. Remove Retaining Ring (18) from Pawl Shaft (24). WARNING 23. Remove Washers (17), Wave Spring (22), and Pawl (23) from the Pawl Shaft. Lubricate the components of Swivel As- sembly with a silicone grease that contains no 24.
  • Page 7 Severe-Duty Welding Hose Reel SER 7338-C Base and Hose Guide Assembly 11. Install Bolts (39) into Shaft and Flange Assembly (40). 12. Secure the Shaft and Flange Assembly to the Base Assembly with Nuts (38). • Tighten the Nuts securely in a criss- cross pattern.
  • Page 8 SER 7338-C Severe-Duty Welding Hose Reel 27. Screw Hose Connector (6 and 7) [with Teflon tape] into each Street Elbow (5) as required. 17. Install and hold Woodruff Key (43) into the slot of the • Tighten each Connector securely.

  • Page 9: Bench Test

    SER 7338-C Severe-Duty Welding Hose Reel Bench Test 9. Mount the reel assembly with the appropriate hardware. While facing the ratchet on the power spring NOTE: Make sure the connecting hoses do Assembly, turn the reel in a counterclockwise direction not chafe on the reel.
  • Page 10 SER 7338-C Severe-Duty Welding Hose Reel Reel Operation WARNING The reel is under maximum spring tension. WARNING Personal injury can occur. Do not exceed the lowest pressure rating of any component in the system. 1. Instruct the assistant to grip the hose securely with both hands to prevent uncontrolled retraction.

  • Page 11: Troubleshooting Chart

    Severe-Duty Welding Hose Reel SER 7338-C Reel Package Hose reel model 7338-C is included in the reel package listed below. Acetylene/Oxygen Delivery Hose Reel Package Model Hose Reel (Bare) Hose Stop Part Number Length in Feet 8071-D 7338-C 339539-50 339538...
  • Page 12 SER 7338-C Severe-Duty Welding Hose Reel Revision (12-07) Alemite Corporation...

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