FF-MM-365-REV - 00
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Operation and Maintenance Guide Compressed Air Driven Lamp
Care should be taken to avoid damaging the
replacement bulb (51). when
locating the pins in the spring loaded
contacts of the Bulb holder (21). When
replacing Lower locking ring (25) screw
down on the ‘O’ ring (45) with sucient
torque to seal the pressurized enclosure.
(Refer page no. --TSL50AB-BB Detail
C -- for exploded view)
2.1) Replacing/Cleaning Glass Disc – TSL-
50AF-BF. (Refer page no. --TSL50AF-BF
Detail C-- for exploded view) e Reector
Head(26) of e Teryair Safety Lamp Is A
Pressurized Enclosure. e End Cover (25)
retains the Glass Disc (19) (15mm) to remove.
Unfasten the four socket head screw (17). e
Glass Disc (19) is mounted inside the Rubber
Ring Grooved (44), e Reector (16) sits in
the reector head (26). ese items can be
remove for cleaning/replacement .e Rubber
Ring Grooved (44) in particular should be
inspected for any damage, as this provides a
pressurized seal on both faces of the Reector
Head enclosure. When re-assembling ensure
that the Rubber Ring Grooved (44) is evenly
tted on both faces of the Glass Disc (19).
Place Reector (16) in Reector Head (26)
before the End Cover (25) and seal refastening
of this assembly into the Reector Head(26)
must follow normal good practice in fastening
down a anged joint of the four Screws (17).
2.2) Replacing/Cleaning Bell Glass – TSL-
50AB-BB. (Refer page no. --TSL50AB-BB
Detail C-- for exploded view)e Lower
Locking Ring (25) is unscrewed from the Up-
per Locking Ring (26) using special spanner
and can access Bell Glass (19).ese items
can be remove for cleaning /replacement. e
Bottom Glass Seal (45) in particular should
be inspected for any damage, as this provides
a pressurized seal on both faces of the Upper
Locking Ring (26) enclosure. When re-as-
sembling ensure that the Top Glass Seal (44)
is placed between Bell Glass (19) and Low-
er Locking Ring (25). When re-assembling
ensure also that the Bottom Glass Seal (45) is
evenly tted on faces of the Bell Glass (19) and
Upper Locking Ring (26). Seal Fastening of
this assembly into Stator housing must follow
normal good practice in fastening down.
3) Replacing Bearings. (Refer page no.
--TSL50AF-BF Detail A--/TSL50AB-BB
Detail A for exploded view) Access to the
Bearings requires removing just the three
Fastening Screws (17) in the Top Cover (27).
If the Top Cover (27) resist removal, then the
edge of the rim should be tapped with a mallet
at several points to free the joint. e Rotor
Assembly (23) can then be lied out of the
open Stator Housing (28). Remove Nut for
Rotor Sha (30) on the Rotor Assembly (23),
Washer for nut (40), Self Aligning Ball Bearing
(29), Turbine Wheel (1), Rotor Assembly (23)
and Spacer for Rotor Sha (37) and nally Sec-
ond Self Aligning Ball Bearing (29), from the
Rotor Sha (34). ese parts should be cleaned
and replaced in reverse order together with
new Self Aligning Ball bearings (29). Under-
neath each of the outer races of the Bearings
is tted a Waved Spring Washer (8). ese
ensure the correct loading of the bearings. It
is important to check that these Waved Spring
Washers are in good condition before tting
the new outer Bearing races.
4) Air Regulator Assembly. (Refer page no.
--TSL50AF-BF Detail B--/TSL50AB-BB
Detail B for exploded view)All the Air Reg-
ulator parts are secured by Male Connector
(3) and should not be disturbed unless the
regulator cases to function correctly . e
Male connector (3) serves also to align the
Air Regulating Plate (31) the Piston Spacer
(24). Now remove the piston assembly. e
piston (35) tted with rolling Diaphragm
(43) by Screw for Piston (46). ese parts are
withdrawn from the front of the piston cham-
ber and should be cleaned and examined for
wear and damage and replaced as necessary.
