TM 5-3655-210-12
CHAPTER 2
OPERATING INSTRUCTIONS
WARNING
If equipment fails to operate, refer to troubleshooting
procedures in Chapter 3.
Section I. OPERATING PROCEDURES
2-1.
General
the charging or discharging rate of the battery and is
This section describes, locates, illustrates, and furnishes
located on the engine control panel. It is graduated in
the operator/crew sufficient information pertaining to the
divisions of 5 amperes and registers from 0 to 30
various controls and instruments provided for the proper
amperes on both charge and discharge sides.
operation of the conversion and storage unit.
h. Heater Fuel Pressure Gage. The heater fuel
2-2.
Controls And Instruments
pressure gage (19, fig. 2-5) is part of the conversion
heater and is located in the storage compartment. It
a. General.
The purpose of controls and
indicates the pressure of the heater fuel supplied by the
instruments and their reading are illustrated in Figures
fuel pump to the combustion chamber. It is graduated in
2-1 to 2-11.
b. Shutter Control. The shutter control (7, fig.2-1)
one pound divisions and registers from 0 to 60 psi
(4.218 kg per sq cm).
Normal fuel pressure is
is located above the refrigeration condenser. It is used
approximately 32 psi (2.2496 kg per sq cm).
to ventilate the refrigeration system, allowing a flow of
i. Sight Glass, Expansion Tank. The sight glass
cool air to be drawn through the condenser fins by the
(3, fig. 2-5) is installed on the expansion tank (heater
fan.
fluid reservoir) is the storage compartment. It shows the
level of the heater fluid.
electrically operated. It is mounted on the engine
j. Refrigerant Sight Glass. The refrigerant sight
control panel. It shows the amount of gasoline in the
glass (1, fig. 2-12) is located in the line above the
fuel tank, and is graduated from empty to full in fourths
refrigeration compressor. It indicates the refrigerant
of the tank capacity.
d. Cylinder Filling Pressure Gage. The cylinder
flow.
k. Compressor Oil Level Sight Glass.
The
filling pressure gage is located in the power
compressor oil level sight glass (5, fig. 2-12) is located
compartment on the cylinder filling manifold, and
in the crankcase of the compressor. It shows the oil
indicates the pressures at which the cylinder is being
level in the compressor.
filled. The gage registers from 0 to 2, 000 psi (140.6 kg
l. Manual Control Valves. The control valves are
per sq cm) and is graduated in 20 pound (1.406 kg per
listed and identified in Table 2-1.
sq cm) divisions. Normal pressure is 800 psi, (56.24 kg
m. Light Switches. The dome light switch for the
per sq cm) but variance will occur depending on
storage compartment light is located on the light. The
surrounding temperatures.
e. Liquid Level Gages (Pressure Vessels). Each
toggle switch for the power compartment dome lights is
located on the gage panel in the power compartment.
pressure vessel is provided with a liquid level gage (2
These switches are single-pole, single-throw switches
and 4, fig. 2-4). The gages are mounted on a panel
and are manually operated.
inside the power compartment. They can be viewed
n. Alarm Bell Cutout Switch. The alarm bell cutout
through the window in the rear door. The gages indicate
switch is mounted on the gage panel. It is a manually
the liquid level in each vessel and are graduated in
operated toggle switch used to cut out the alarm bell.
tenths of the vessel capacity.
o. Gage Line Heater Switch. The gage line heater
f. Vessel Pressure Gages. Each pressure vessel
switches (6 and 7, fig. 2-2) used to turn on the gage 2-1
is provided with a pressure gage (1 and 3, fig. 2-4),
located on a panel which is viewed through the window
in the rear door, which indicates the pressure in each
vessel. The gages register from 0 to 600 psi (42.18 kg
per sq cm) in division of 20 pounds (1.406 kg per sq
cm).
2-1
