Alemite 7340 Manual de serviço - Página 4

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SER 7340

IMPORTANT: Prior to performing any main-

tenance procedure, the following safety pre-

cautions must be observed. Personal injury

may occur.

WARNING

Release all pressure within the system prior

to performing any overhaul procedure.

• Disconnect the air supply line to the pump's

motor.

• Into an appropriate container, operate the con-

trol valve to discharge remaining pressure

within the system.

Read each step of the instructions carefully. Make

sure a proper understanding is achieved before

proceeding.

Overhaul

IMPORTANT: Make sure all pressure is

released within the system.

NOTE: Refer to Figure 2 for component

identification on all overhaul procedures.

Disassembly

IMPORTANT: Prior to disassembly, release

tension on the power spring.

1. Remove the hose stop and the control valve from the

delivery hose.

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

3. Allow the delivery hose to retract onto the reel.

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

spring bypasses Spring Arbor (26).

• A pronounced "click" will sound.

Medium- and High-Pressure Swivel Assemblies

5. Unscrew Swivel Assembly (36 or 39) from Shaft (8).

NOTE: The body and stud assemblies for

these swivels cannot be repaired. However,

the sealing and back-up components are

available in a repair kit.

Revision (2-03)

Hose Guide Assembly

6. Remove Nuts (13) that secure Post and Shaft

Assemblies (18) and (19) to Hose Guide Plate (17).

• Remove each Post and Shaft Assembly from the

Hose Guide Plate.

7. Remove Roller Assemblies (20) and (21) from each

Post and Shaft Assembly as required.

8. Remove O-Rings (22) from each Roller Assembly as

required.

HINT: Use an small flat-head screwdriver.

Arms and Power Spring Assembly

9. Remove Nuts (13) that secure Long Arm (34) to Bolts

(31).

• Remove the Arm from the Bolts.

10. Remove Nuts (1) and Screws (5) that secure Short

Arm (14) to Power Spring Assembly (12) as required.

• Remove the Arm from the Power Spring Assembly.

11. Remove Screws (5) that secure the Power Spring

Assembly to Base Assembly (33).

• Remove the Power Spring Assembly from the Base

Assembly.

WARNING

Do not attempt to disassemble the Power

Spring Assembly. Personal injury can occur.

Delivery Hose

12. Pull the delivery hose from Sheave Assembly (2).

13. Remove Wing Nuts (9) and Washers (10) that secure

U-Bolt (11) to the Sheave Assembly.

• Remove the U-Bolt from the Sheave Assembly.

14. Disconnect the delivery hose from 90 ° Union (6).

• Remove the delivery hose from the Sheave

Assembly.

Arbor and Bearings

15. Remove Retaining Ring (16) that secures Arbor (26)

to Shaft and Flange Assembly (3).

• Remove the Arbor from the Shaft and Flange

Assembly.

16. Remove Square Key (4) from the Shaft and Flange

Assembly.

High-Capacity Reel

Alemite Corporation