Replacing The Prism And Its Gasket - Safegate Group SL-HF-I Manual

Airfield Lighting
Manual
Ref: SL-HF-I; SL-HT-I
3.2.3

Replacing the Prism and its Gasket

Remove
(a) Disassemble the fitting (see § 3.2.1
Disassembling/ Assembling the Fitting).
(b) Using a 5 mm Allen key, untighten and
remove the 6 fixing screws of the LED
assembly.
(c) Remove the LED assembly and protection
washer.
(d) From outside the fitting body, push out the
prism.
(e) Remove the prism and gasket from the
fitting body.
(f) Clean the contact surfaces of the window on
the fitting body.
Replace
(a) Mount the new gasket in the fitting body.
Note: It is recommended to change the
gasket each time a prism is removed.
(b) Insert the prism in the gasket in the fitting
body window.
(c) Install the plastic washer and LED holder
assembly.
(d) Install and tighten the prism holder and LED
assembly screws.
(e) Assemble the fitting (see § 3.2.1
Disassembling/ Assembling the Fitting).
Page 12 of 16
Safegate Group
Date: September 2014
Version: 1.3
FIGURE 10 – PRISM