Alemite 7340 Manual de servicio - Página 12

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SER 7340

Reel Packages

Hose reel models 7340 and 7341 are included in the reel packages listed below.

IMPORTANT: The Power Spring tension is preset at the factory for most installations. Once the reel pack-

age is installed and the system is pressurized, refer to the section entitled Checking Spring Tension.

Reel Package Model

8080-A

8080-B

8080-H

8080-C

8080-D

* Delivery hose length is designated by the suffix in the part number. Example: 317870-80 is 80 feet long.

Indications

Reel does not latch

Reel does not retract

Reel retracts partially

Reel does not unlatch

after maximum length

of hose is removed

Material leakage at the

Swivel Assembly

Material leakage from

Sheave Assembly (2)

and/or delivery hose

* The possible causes for broken components are listed in italics

Revision (2-03)

Hose Reel (Bare)

Part Number

7340

7341

Troubleshooting Chart

Possible Problems

Extension Spring (24) broken or not attached to

Pawl and Shaft Assembly (25)

1. Power spring broken*

2. Worn or damaged Body and Stud Assembly

(37 or 40)

1. Improper power spring tension

2. Worn or damaged Body and Stud Assembly

(37 or 40)

3. Hose length greater than recommendation

1. Power spring wound solid

2. Hose removed from the reel too quickly

(Over-Rotation of Reel)

1. Worn or damaged Seal (38 or 42)

2. Worn or damaged Swivel Assembly

1. Delivery hose connection not sufficiently tight

2. Union (6) not sufficiently tight into

Bushing (7) [or Shaft (8)] and/or thread

sealant missing or inadequate

3. Bushing (7) not sufficiently tight into

Shaft (8) and/or thread sealant missing

or inadequate

Changes Since Last Printing

Changed U-Bolt 339219 to 339219-4 for Model 7341

Outlet Components

Delivery Hose *

Description

3/8 " ID Two-Wire Braid

317870-80

3/8 " NPTF (m) x 1/4 " NPTF (f)

317813-80

1/2 " ID Single-Wire Braid

1/2 " NPTF (m) x 1/2 " NPTF (m)

317813-100

317811-80

1/2 " ID Air

1/2 " NPTF (m) x 1/2 " NPTF (m)

317811-100

Replace or secure Extension Spring (24)

1. Replace Power Spring Assembly (12)

2. Replace Swivel Assembly (36 or 39)

1. Set tension properly

2. Replace Swivel Assembly (36 or 39)

3. Refer to Table 1

1. Decrease power spring tension

2. Pull the hose slowly when close to being

1. Use Repair Kit 393530-24 or 393695

2. Repair or replace Swivel

1. Tighten connection

2. Apply sealant to Union (6) and tighten

3. Apply sealant to Bushing (7) and tighten

High-Capacity Reel

Solution

fully extended

into Bushing (7) [or Shaft (8)]

into Shaft (8)

Alemite Corporation

Hose Stop

337437