pressure gage (34). Remove the nuts and washers holding the oil pressure gage mounting bracket
(2, fig. 40) to the oil pressure gage, and pull the gage from the front of the instrument panel (3, fig. 39).
(2) Installation. Place the oil pressure gage (34, fig. 39) in position in the panel, and place the oil pressure
gage mounting bracket (2, fig. 40) over the gage studs. Install the mounting washers and nuts. Connect
the tube assembly (21, fig. 39), connector (32, and coupling (15) to the rear of the gage.
d. Air Pressure Gage.
Caution: Release the air receiver tank pressure before removing the air pressure gage.
(1) Removal. Disconnect the tube assembly (8, fig. 39), connector (14), coupling (15) and elbow (5) from the
rear of the air pressure gage (36). Remove the nuts, ground lead, and washers holding the air pressure
gage mounting bracket (3, fig. 40) to the air pressure gage, and pull the gage from the front of the
instrument panel (3, fig. 39).
(2) Installation. Place the air pressure gage (36, fig. 39) in position in the panel, and place the air pressure
gage mounting bracket (3, fig. 40) over the gage studs. Install the ground lead, and mounting washers and
screws. Connect the elbow (5, fig. 39), coupling (15), connector (14) and tube assembly (8) to the rear of
the gage.
e. Hourmeter.
(1) Removal. Remove the black wire from the air pressure gage (36, fig. 39), and the red wire from the ignition
switch (13). Remove the nuts and washers holding the hourmeter mounting bracket (4, fig. 40) to the
hourmeter (37, fig. 39) and pull the hourmeter from the front of the instrument panel (3).
(2) Installation. Position the hourmeter (37, fig. 39) on the instrument panel (3). Place the hourmeter mounting
bracket (4, fig. 40) over the stud on the hourmeter and secure with the mounting nuts and washers.
Connect the red wire and black wire as shown in figure 29.
103. Controls
a. Starting Switch.
(1) Removal. Disconnect the starting switch (12, fig. 39) leads, and tag the wires to eliminate confusion at
installation. Remove the starting switch nut (2), and pull the starting switch (12) from the front of the
instrument panel (3).
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