Alemite 7370 Guía De Servicio página 6

SER 7370
WARNING
The reel is under maximum spring tension. Per-
sonal injury can occur.
1. Instruct the assistant to grip the hose securely with both hands
to prevent uncontrolled retraction.
2. Grip Sheave Assembly (14) securely with gloved hands.
3. Turn the Sheave Assembly in the direction just enough that
allows Pawl (38) to be free of tension from the ratchet on
Power Spring Assembly (16).
• This direction further increases tension on the power spring.
4. While maintaining the position of the Sheave assembly with
one hand, move the Pawl away from the ratchet.
• Use a screwdriver or other suitable tool.
5. Instruct the assistant to allow the hose to retract slowly onto
the Sheave Assembly.
Maintenance
WARNING
Release all pressure within the system prior to
performing any maintenance procedure.
Disconnect the air supply line to the pump's motor.
Into an appropriate container, operate the control valve
to discharge the remaining pressure within the system.
Read each step of the instructions carefully. Make sure a
proper understanding is achieved before proceeding.
Delivery Hose Replacement
1. Extend the delivery hose completely from the reel.
WARNING
Precautions must be taken to ensure the
Sheave Assembly remains engaged with the Power
Spring's ratchet. To prevent movement either:
• instruct an assistant to grip the Sheave Assembly
securely with non-slip gloved hands or
• install a clamp on the Sheave Assembly
Personal injury can occur.
2. Remove the control valve and hose stop.
3. Disconnect the delivery hose from 90 ° Union (7).
4. Remove Wing Nuts (11) and Washers (12) that secure
U-Bolt (13) to the hose.
• Remove the hose.
5. Feed the end of the new delivery hose through Hose Guide
Assembly (27).
Revision (9-13)
6. Connect the delivery hose to the 90 ° Union.
HINT: Orient the hose to allow its natural curve
to match the Sheave. This reduces torque load
on Power Spring Assembly (16).
7. Secure the delivery hose to the Sheave Assembly with
U-Bolt (13), Washers (12) and Wing Nuts (11).
8. Install the control valve (with thread sealant) and hose stop
to the delivery hose.
IMPORTANT: Allow some slack on the hose
between the U-Bolt and the 90 ° Union.
9. Pressurize the system and check for leaks.
10. Carefully release the Sheave Assembly and retract the hose
onto the reel.
11. Check the Spring Tension.
• Please refer to the section entitled Installation for
details.
Disassembly
Refer to Figures 2 through 6 for disassembly.
WARNING
Release the tension on the power spring. Per-
sonal injury can occur.
WARNING
Do not attempt to disassemble Power Spring
Assembly (16). Personal injury can occur.
Assembly
NOTE: Prior to assembly, certain components
require lubrication. Refer to Table 2 for details.
Refer to Figures 2 through 6 for assembly.
Do not operate without Guard (42). Personal
injury can occur.
Bench Test
While facing the reel inlet, turn the reel in a clockwise
direction and allow the ratchet to latch onto Pawl (38).
If the reel does not tension or latch properly, refer to the
Troubleshooting Chart.
6
Narrow Double Post Hose Reel
CAUTION
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