Table 5-1. Alternator Specifications

Figure 5-7. Hydraulic pump lines.

Table 5-1. Alternator Specifications

Field current

Cold output

(80 F)

at specified voltage

Rotation

Rated

Spec.

Approx

viewing

hot output

Approx

volts

D.E

Amps

Volts

lamps)

rpm

Grd

Amps

rpm

Amps

Neg

1.9-2.3

14.0

1100

6500

(5) Remove the drive shaft (9) and the idler

(3) Remove the capscrews and lockwashers

gear (10).

attaching the pump flange to the engine and

(6) Remove the rear bushings (11) and

remove the pump.

packing rings (13 and 14).

b. Disassembly. (fig. 5-8.)

(7) If the valve plug (15) has not been expelled

(1) Thoroughly clean the outside of the pump

by the spring, turn a 1/4 in. screw into it and extract

to prevent the entry of foreign material upon

it. Remove the preformed packing (16), spool (17),

disassembly.

and spring (18).

(2) Remove the countersunk hexagon head

(8) Remove the relief valve port plug (19),

capscrews (1) and mounting flange (2). Set pump

preformed packing (20), and spool assembly (22

aside, keeping drive shaft pointed up. Using a soft

through 25).

metal drift, tap the seals from the bore. Take care

(9) Taking note of the number of turns

not to mar the surface of the bore.

required, remove the setscrew (23), the spring (24),

(3) Remove the preformed packings (4 and 6)

and cone (25) from the spool (22).

and backup rings (5).

(10) Remove remaining plugs (26 and 30),

(4) Invert the pump while holding one hand

dowel (28), and preformed packings (27 and 29)

over the front bushings (7). Let the bushings slide

from pump body (31).

out. Tap the pump body lightly with a piece of

wood or a soft mallet if the bushings stick.

5-7