Alemite 7235-B Service Manual - Page 7

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Heavy-Duty Hose Reels
20. Install Spring Arbor ( 22 ) onto the Main Shaft and
secure with Setscrew ( 23 ).
• Make sure the Setscrew contacts the flat of the Main
Shaft.
• See Figure 3 for the proper position of the Arbor.
NOTE : Certain models contain a plastic
Spring Arbor ( 21 ) that attaches to the Main
Shaft with a Key.
21. Install Snap Ring ( 25 ) onto the Main Shaft.
• Use care not to mar the surface of the Main Shaft.
22. Make sure the position of Spring Case Gasket ( 20 ) is
properly aligned on the Sheave Assembly.
• Hold the Gasket in place with spots of grease.
WARNING
Power Spring can uncoil during tie wrap
removal. Personal injury can occur.
23. Carefully remove the tie wraps from the Power Spring.
24. Install the Spring Case and Ratchet Assembly onto the
Power Spring and Sheave Assembly.
• Make sure the hole in the Spring Case and Ratchet
Assembly engages the Spring Case Stud.
• Make sure to the Gasket is positioned properly.
25. Install Jam Nut (38) that secures the Stud to the Spring
Case and Ratchet Assembly.
• Tighten the Nut securely.
26. Install Locknuts (33) that secure the Spring Case and
Ratchet Assembly to the Sheave Assembly.
• Tighten the Locknuts securely.
27. Install additional Snap Ring (25) onto the Main Shaft.
• Use care not to mar the surface of the Main Shaft.
Base Assembly
28. Install the Base, Guide and Roller Assembly onto the
Spring Case and Ratchet Assembly.
29. Align Setscrew ( 31 ) with the mark on the Main Shaft.
30. Tighten the Setscrew that secures the Main Shaft to
Base Assembly.
31. Bench Test the reel.
• Refer to the section entitled Bench Test for details.
Overhaul
NOTE : Refer to Figure 2 for component
identification on all overhaul procedures.
Alemite Corporation
Disassembly
IMPORTANT: Prior to disassembly, release
tension on Power Spring ( 33 ).
1. Pull on the material hose to disengage the ratchet on
Spring Case and Ratchet Assembly ( 39 ).
2. Allow the material hose to retract onto the reel.
3. Turn the reel in the same direction until the Power
Spring bypasses Spring Arbor ( 21 or 22 ).
• A pronounced "click" will sound.
Spring Case and Ratchet Assembly
Follow procedures 1-17 in the section entitled Remove
and Replace Spring Arbor and Power Spring .
Sheave Assembly
4. Remove Spring Case Gasket ( 20 ) from the Sheave
Assembly.
5. Remove the Main Shaft assembly from the bottom of
the Sheave Assembly.
Medium-Pressure Swivel Assembly
The medium-pressure swivel assembly can be
disassembled. O-Rings ( 7 and 8 ), Back-Up Ring ( 6 ),
Screws ( 3 ) and Balls ( 4 ) are serviced in a kit.
NOTE : The obsolete medium-pressure
swivel can also be repaired with a kit.
See Figure 2 .
High-Pressure Swivel Assembly
The high-pressure swivel assembly cannot be repaired.
It is serviced as an assembly.
Base Assembly
6. Remove Nut ( 27 ) that secures Machine Screw ( 37 ) to
Base Assembly (26).
• Remove the Machine Screw and Latch Bushing ( 36 )
from the Base Assembly and Latch Spring (35).
NOTE: Earlier models contain Latch Spring
(34). The Latch Bushing and Machine Screw
are not applicable.
7. Remove Latch Stud Nut (28) that secures Latch Pawl
Assembly (32) to the Base Assembly.
• Remove the Latch Pawl Assembly from the Base
Assembly.
7
SER 7234-B
Revision (7-97)