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Alemite 7234-B Service Manual

Heavy-duty hose reels

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Description
Caution
These reels must be ceiling mounted at a
height no greater than 16 feet (4.9 m) from
the floor to comply with the warranty.
Hose reel Models 7234-B and 7235-B are
designed to be mounted to the wall, ceiling, or floor.
They can also mount to truck beds.
The reels mount as a single unit or in banks of as
many as required. Banked reels should be a
minimum of 9 " (23 cm) apart on center. For ease in
reel maintenance, a space of up to 15 " (38 cm) is
recommended. See Figure 6.
Each model reel is spring-powered and self-
retracting. A latch locks the reel once the required
length of hose is released. A pull releases the latch
and allows the hose to retract onto the reel.
Models 7234-B and 7235-B
Model 7234-B contains a high-pressure swivel
assembly. This swivel is designed to dispense
grease from either 1/4 " or 3/8 " ID two-wire braid
delivery hose.
A medium-pressure swivel assembly is included
with Model 7235-B. Free-flowing lubricants such as
Accessories
Material Delivery Hoses
High-Pressure Material Delivery Hose
Reel
Model
1/4 " ID Two-Wire Braid
7234-B
317874-30, 317874-50
7235-B
Delivery hose length is designated by the dash number. Example: 317874-30 is 30 feet long.
This document contains confidential information that is the property of Alemite Corporation
670453
and is not to be copied, used, or disclosed to others without express written permission.
Service Guide
Heavy-Duty Hose Reels
Figure 1 Heavy-Duty Hose Reels Models 7234-B and 7235-B
motor and gear oil, and automatic transmission fluid are
dispensed from 1/2 " ID single-wire braid delivery hose. Air and
water is transported through 3/8 " fabric-reinforced hose.
3/8 " ID Two-Wire Braid
317870-50
Alemite Corporation
PO Box 473515, Charlotte, North Carolina 28247-3515
©
Copyright
1997 by Alemite Corporation
17/32 " (13.5 mm) Dia.
19 " (48.3 cm)
Dia.
7 " (17.8 cm)
Medium-Pressure Material
Delivery Hose
1/2 " ID Single-Wire Braid
317856-20, 317856-30,
317856-40, 317856-50
7234-B
7235-B
7-7/8 "
(20 cm)
3-7/8 "
(9.8 cm)
21"
(53.3 cm)
Low-Pressure Air and Water
Delivery Hose
3/8 " ID Fabric-Reinforced
317803-25, 317803-30,
317803-40, 317803-50
SER 7234-B
Revision (7-97)

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Summary of Contents for Alemite 7234-B

  • Page 1 PO Box 473515, Charlotte, North Carolina 28247-3515 © Copyright 1997 by Alemite Corporation SER 7234-B This document contains confidential information that is the property of Alemite Corporation 670453 Revision (7-97) and is not to be copied, used, or disclosed to others without express written permission.
  • Page 2 SER 7234-B Heavy-Duty Hose Reels Apply Thread Sealant Here Apply Thread Medium- Sealant Pressure Here High-Pressure Mark to Indicate Flat Early Model Accessory Items Figure 2 Heavy-Duty Hose Reels - Exploded View Revision (7-97) Alemite Corporation...
  • Page 3 Heavy-Duty Hose Reels SER 7234-B Item Numeric Order Part No. Description Notes Part # (Item #) 393539-85 Swivel Assembly, High-Pressure Model 7234-B 1001-86 393539-99 Swivel Assembly, Medium-Pressure Model 7235-B 1001-88 Adapter, 90 ° Swivel 337437 Screw 393539-2 (19) Ball 393539-3...
  • Page 4: Service Hints

    SER 7234-B Heavy-Duty Hose Reels Service Hints Refer to the Overhaul Procedures for Details Always Refer to the Troubleshooting Chart for Reasons the Reel may not Retract Inspect Swivel Body and Stud Mating Surfaces Prior to Repair Kit Installation are Subject to Wear...
  • Page 5: Remove And Replace

    For Overhaul procedures, refer to the section entitled Sheave Assembly. Personal injury can occur. Overhaul . Alemite Corporation recommends to secure the Spring Arbor and Power Spring Power Spring with two (2) cable ties or two steel hose clamps prior to removal.
  • Page 6 SER 7234-B Heavy-Duty Hose Reels NOTE : If the Spring Case and Ratchet Prior to reassembly, lubricate the following with multi- Assembly and the Power Spring separate purpose lithium grease. The: from the Sheave Assembly as a unit: • top and bottom surfaces of Power Spring ( 41 ) •...
  • Page 7 Heavy-Duty Hose Reels SER 7234-B Disassembly 20. Install Spring Arbor ( 22 ) onto the Main Shaft and secure with Setscrew ( 23 ). IMPORTANT: Prior to disassembly, release • Make sure the Setscrew contacts the flat of the Main tension on Power Spring ( 33 ).
  • Page 8 SER 7234-B Heavy-Duty Hose Reels Clean and Inspect NOTE : Use the repair kit for replacement parts. Make sure all the components are included in the kit before discarding used parts. 1. Clean all metal parts in a modified petroleum-based solvent.
  • Page 9: Installation

    Heavy-Duty Hose Reels SER 7234-B Installation 6. Install Machine Screw (37) through the flanged end of Latch Bushing (36). 1. Position the Guide and Roller Assembly to correspond 7. Install the Machine Screw and Latch Bushing with the mount position of the reel as required.
  • Page 10 SER 7234-B Heavy-Duty Hose Reels Mount Positions Caution The reel can mount to either the floor, wall, or ceiling. Failure to follow the recommended slot selection for the chosen alignment can result in reel lockup. The selected mount position influences the position of the Guide and Roller Assembly as it relates to the Base.
  • Page 11 Heavy-Duty Hose Reels SER 7234-B Suspension Angle Iron for Attachment to Joist 7/16 " -14 x 1 " Bolt Welded Angle Iron to Form Base (Locally Fabricated) 9 " (23 cm) Minimum 15 " (38 cm) Recommended Figure 6 Suspension Bracket for Ceilings Greater than 16 Feet (4.9 meters) - Typical...
  • Page 12: Troubleshooting Chart

    SER 7234-B Heavy-Duty Hose Reels Reel Operation WARNING Reel Lockup The reel is under maximum Spring tension. Personal injury can occur. Caution 1. Grip the Sheave Assembly securely with gloved hands. Do not remove the hose completely from the reel to rapidly.

This manual is also suitable for:

7235-b