Alemite 7341 Service Manual - Page 4

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NOTE

Prior to performing any maintenance

procedure, the following safety precau-

tions 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 control valve to discharge

remaining pressure within the

system.

Read each step of the instructions

carefully. Make sure a proper under-

standing is achieved before proceeding.

Overhaul

NOTE

Make sure all pressure is released within

the system.

NOTE

Refer to fig. IPB1, page 13 for compo-

nent identification on all overhaul

procedures.

Disassembly

NOTE

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).

4.1 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.

Hose guide assembly

6 Remove nuts (13) that secure post and

shaft assemblies (18) and (19) to hose

guide plate (17).

6.1 Remove each post and shaft assem-

bly 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.

NOTE

Use an small flat-head screwdriver.

Arms and power spring assembly

9 Remove nuts (13) that secure long

arm (34) to bolts (31).

9.1 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.

10.1 Remove the arm from the power

spring assembly.

11 Remove screws (5) that secure the

power spring assembly to base

assembly (33).

11.1 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.

13.1 Remove the u-bolt from the

sheave assembly.

14 Disconnect the delivery hose from 90 °

union (6).

14.1 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).

15.1 Remove the arbor from the shaft

and flange assembly.

16 Remove square key (4) from the shaft

and flange assembly.

17 Remove retaining ring (16) that secures

shaft (8) to bearing (28).

17.1 Do not remove the shaft at this

time.

18 Remove nuts (1) that secure bearing

housings (27) to the base assembly.

18.1 Remove each set of bearing

housings and bearings from the

base assembly.