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Sec. 3
Page 36
GM COACH MAINTENANCE MANUAL
BODY
Examine tracks and balls carefully for damage;
replace parts if wear is evident. Reference should
be made to figure 4 for informati.on regarding dis-
assembly of retracting step.
Position balls, as
illustrated, when assembling step. Lubrication of
balls and tracks is unnecessary and undesirable.
EMERGENCY DOOR
Emergency door incorporates an inside bar-
type safety lock. Switch, actuated by lock, lights
telltale in instrument panel and sounds alarm
buzzer to indicate door is not closed or locked.
Door should be regularly inspected to make sure
of proper operation of door, lock, and telltale.
Refer to ELECTRICAL (Sec. 7) for information
on alarm buzzer.
Emergency Door Telltale
As a safety precaution, emergency door tell-
tale should be tested daily. Turn engine control
switch to "Run" position. Release emergency door
latch; telltale should light.
If
telltale fails to light,
proceed as follows:
Ground either No. 4 terminal on body junction
panel or No. 61 terminal on control junction panel.
If
telltale lights, trouble is in switch, or in wiring
to switch.
If telltale fails to light, trouble is
probably due to burned-out bulb, or in wiring.
Emergency Door Switch
Switch is located in door, directly below latch
retaining bracket. Emergency door switch requires
no maintenance.
SASH AND GLASS
RUBBER INSERT RETAINED GLASS
A special insert-type rubber retainer is used
to install glass in windshield, destination sign,
rear quarter windows, and rear windows.
, , , ,
,
"'
,,-,"-
s,
INST ALLING GLASS IN SEAL
Insert
Seal.-
Figure 5-lnstalling Rubber Insert-Retained Glass
Although possible to install retainer and seal
insert without use of special too-ls, those listed in
SPECIAL TOOLS section, at end of manual, are
recommended to facilitate installation (fig. 5).
GLASS REMOVAL
1. Raise one end of insert out of groove in
retainer seal, with pointed tool; then pull insert
from seal by hand.
2. Station an assistant outside vehicle to pre-
vent glass falling; then push glass outward from
inside vehicle.
3. Remove rubber retainer seal from panel
by hand.
GLASS INSTALLATION
1. Straighten panel flange around opening to
assure a good fit in retainer seal groove.
2. Cut new glass to provide following clear-
ance between glass and panel opening on all sides:
LOCATION
Front Destination Sign
Rear Quarter Window
Rear Window . . . . .
Windshield. . . . . . .
Entrance Door Window .
CLEARANCE
9/32"
9/32"
9/32"
5/16"
5/16"
3. Position retainer seal in panel cut-out,
making sure seal is pushed into place in corners.
Ends of seal should come together at side of op-
ening near top.
4. Cut off retainer seal ends, allowing suffi-
cient overlap to secure a tight joint, and carefully
butt into position.
5. Apply soap solution to glass groove in re-
tainer seal to facilitate glass installation.
6. Position glass to seal, insert end of re-
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