TM-9-2320-280-34
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1996
TM-9-2320-280-34 - Page 652 of 1258
TM 9-2320-280-34
14-11.
AMBULANCE HEATER REPAIR (MODEL 10530B)
This task covers:
a. Disassembly
c.
Assembly
b. Cleaning and Inspection
INITIAL SETUP
:
Tools
Manual References
General mechanic's tool kit:
TM 9-2320-280-20
automotive (Appendix G, Item 1)
TM 9-2320-280-24P
Materials/Parts
Equipment Condition
Five nut and lockwasher assemblies
Ambulance or arctic heater removed
(Appendix E, Item 95)
(TM 9-2320-280-20).
Thirteen screw-assembled lockwashers
(Appendix E, Item 147)
General Safety Instructions
Four tiedown straps (Appendix E, Item 210)
Drycleaning solvent is flammable and will not be
Five locknuts (Appendix E, Item 49)
used near an open flame.
Three lockwashers (Appendix E, Item 77)
Compressed air source will not exceed 30 psi
Gasket (Appendix E, Item 19)
(207 kPa).
O-ring (Appendix E, Item 97)
Burner repair kit (Appendix E, Item 3)
Maintenance Level
Insulation varnish (Appendix B, Item 27)
Direct support
Drycleaning solvent (Appendix B, Item 14)
a.
Disassembly
1.
Turn two dzus fasteners (7) and remove guard (6) from control bracket (9).
NOTE
Prior to removal, tag leads for installation.
2.
Remove two nut and lockwasher assemblies (17) and leads 30 (19) and 9 (18) from overheat switch
(16).
Discard nut and lockwasher assemblies (17).
3.
Remove four tiedown straps (8) securing leads together. Discard tiedown straps (8).
4.
Remove five screw-assembled lockwashers (2) and leads (1) from flame detector switch (20).
Discard
screw-assembled lockwashers (2).
5.
Disconnect two igniter leads (3) from ground terminal (12) and circuit board (5).
6.
Loosen line nut (13) and disconnect fuel outlet line (14) from fuel valve fitting (11).
7.
Remove six screws (10) from control bracket (9) and heater body (15).
8.
Remove two screws (4), control bracket (9), and ground terminal (12) from heater body (15).
14-52
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