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 sufficient
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) The Reflector
Head(26) of The Teryair Safety Lamp Is A
Pressurized Enclosure. The End Cover (25)
retains the Glass Disc (19) (15mm) to remove.
Unfasten the four socket head screw (17). The
Glass Disc (19) is mounted inside the Rubber
Ring Grooved (44), The Reflector (16) sits in
the reflector head (26). These items can be
remove for cleaning/replacement .The Rubber
Ring Grooved (44) in particular should be
inspected for any damage, as this provides a
pressurized seal on both faces of the Reflector
Head enclosure. When re-assembling ensure
that the Rubber Ring Grooved (44) is evenly
fitted on both faces of the Glass Disc (19).
Place Reflector (16) in Reflector Head (26)
before the End Cover (25) and seal refastening
of this assembly into the Reflector Head(26)
must follow normal good practice in fastening
down a flanged 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)The Lower
Locking Ring (25) is unscrewed from the Up-
per Locking Ring (26) using special spanner
and can access Bell Glass (19).These items
can be remove for cleaning /replacement. The
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 fitted 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. The Rotor
Assembly (23) can then be lifted out of the
open Stator Housing (28). Remove Nut for
Rotor Shaft (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 Shaft (37) and finally Sec-
ond Self Aligning Ball Bearing (29), from the
Rotor Shaft (34). These 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 fitted a Waved Spring Washer (8). These
ensure the correct loading of the bearings. It
is important to check that these Waved Spring
Washers are in good condition before fitting
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 . The
Male connector (3) serves also to align the
Air Regulating Plate (31) the Piston Spacer
(24). Now remove the piston assembly. The
piston (35) fitted with rolling Diaphragm
(43) by Screw for Piston (46). These 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.
