Hale SMR-U User Manual

Page 29

Instantaneous Outlet Servicing Procedure:

Dia.B

1 Knob Closure Disc
2 Twist Release Knob
3 Twist Release Cam
4 Twist Release Bolt
5 2 1/2" Inst Seal
6 2 1/2" Twist Release Body
7 Nut
8 Coil

Spring

9 Sel-Lock

Inspection
A. Flush out equipment with clean water after use
B. Inspect equipment monthly and follow maintenance procedures at least once

every year

C. Inspect release mechanism for free movement
D. Inspect the rubber seal

Maintenance
If signs of wear or breakdown of the mechanism occur, strip down and replace parts
as follows:
1. Remove Knob Closure Disc "1". If the disc is of plastic type, insert pointed tool

into hole in disc and prise out. If the disc is metal, use an Ajax ladder key locating
in the 2 holes in the disc and unscrew anti-clockwise.

2. Unscrew nut "7" using a socket spanner and Knob "2" can then be removed.
3. Withdraw Bolt "4" and Spring "8" from the inside of the female instantaneous

body.

4. Check for signs of dirt, wear or corrosion of the Spring, clean the parts and

reassemble. If wear has occurred replace the affected parts with spares.

5. Reassemble the mechanism by reversing the foregoing instructions using a

lubricating grease on the Spring and the Bolt.

6. When tightening Nut "7" the tension on the spring is correct when the leading

edge of the curved face of Bolt "4" is level with the bolt hole edge as shown in
Dia. B above.

7. Check Seal "5" for dirt, cuts or damage to seal lip after cleaning. If damaged,

replace with spare seal.

Special Notes

♦ The recommended lubricant for the bolt and spring is Molybdenum Disulphide

Grease (Lithium Grease)

♦ Always use a new locknut when reassembling the mechanism.