REPAIR - TM-55-1905-223-24-40143

TM 55-1905-223-24-4

(b) Touch sensing surface with a flat piece of iron or steel - at least 1/4 cubic inch (4.1 cu3).

(c)

Test voltmeter reading should equal voltage source volts.

(d) Remove iron or steel from sensing surface and observe NO test voltmeter reading.

REPAIR

Repair at this level of maintenance is by replacement of: Leads (10) to governor actuator (6), magnetic speed sensor

(11), and diesel engine governor (13), governor actuator (6), and governor actuator lever (15).

ASSEMBLY

a. Replace magnetic speed sensor (11) by screwing in clockwise. Refer to FIGURE 3-6 for adjustment procedure.

b. Position diesel engine governor (13) to housing.

Connect internal wiring as tagged. Secure governor to housing with four screws (14).

d. Replace leads (10) and (12).

REPLACEMENT

a. Replace actuator (6), secure with nut (9), lockwasher (8) and capscrew (7).

b. Replace governor bracket (5). Secure with flat washers (2), lockwashers (3), and capscrews (4).

Replace actuator rod assembly (1) to fuel pump (22) and actuator (6).

(1)

Install flat-,(21), nut (20), and machine screw (18) to rod end (19),

(2)

Install actuator lever (15) and spring (16).

d. Connect leads to actuator (6) and magnetic speed sensor (11).

ADJUSTMENT

a. Adjust Magnetic Speed Sensor. (FIGURE 3-7)

(1)

Loosen lock nut and screw sensor in until it makes contact with the gear tooth.

3-20