Usage:
1. Disconnect the safety shutoff control cable and clamp. Disconnect linkage from governor. Remove governor control channel assembly (1).
2. Disconnect the wiring from the shutoff solenoid when applicable.
3. Remove the fuel ratio control sensing line (2).
4. Remove the governor-to-right aftercooler housing mounting bracket (3).
5. Remove the governor mounting bracket (5) from rear of governor.
6. Remove the four governor mounting bolts (4) from the fuel injection pump housing.
NOTE: Two of the mounting bolts cannot be removed from governor until governor is disassembled.
7. Remove the governor.
Install Governor
1. Position the governor on engine with lever (1) on governor engaged with slot in rack. Install the four mounting bolts.
2. Install the governor mounting bracket in rear of governor.
3. Install the governor-to-right aftercooler housing mounting bracket.
4. Install the fuel ratio control sensing line.
5. Connect the wiring to shutoff solenoid, if applicable.
6. Install governor control channel assembly. Connect the linkage to governor. Connect the safety shutoff control cable and install clamp.
Disassemble Governor
preparatory steps:
a) remove governor
b) remove fuel ratio control with override
1. Remove the high and low idle screw cover. Remove the cover assembly plate, mounting bolts, nuts, and screws. Remove the high and low idle screws. Remove mounting bolt (1) and cover assembly (2).
2. Disassemble cover assembly (2) as follows. Remove lever retaining bolts and locks. Remove the two levers. Remove shaft assembly. Remove seals from cover assembly. Remove terminal assembly.
3. Remove the rack stop collar retaining screw (3). Remove rack stop collar, collar and spring. Remove rack stop group.
4. Remove two governor housing assembly retaining screws (4). Remove the governor housing assembly (5), spring (6), seat (7) washer-type springs and spacer (8), and spacer (9).
5. Disassemble governor housing assembly (5) as follows. Remove speed limiter plunger, spring, plug and gasket. Remove lever assembly-to-shaft retaining bolt and lock. Remove the shaft and governor control lever. Remove the lever assembly. Remove bearings and seal from housing assembly.
6. Disassemble the lever assembly as follows. Remove plunger and spring retaining pin from lever assembly. Remove the spring and plunger.
7. Remove the fuel rack lever retaining pin (10). Remove lever (11). Remove weight assembly-to-body assembly retaining bolts (12) and lock. Remove lock ring (13) on weight assembly drive gear. Remove the weight piston and valve assemblies (14) and weight assembly drive gear as a unit.
8. Remove seat retaining ring (15). Drive pin (16) out of seat (17) and remove seat. Remove bearing and sleeve assembly, washers, spring and bolt (18) from seat. Remove the bearing retaining ring from sleeve. Remove bearing and races from sleeve.
9. Remove the pin assembly (19) from weight assembly (20). Remove weight assembly-to-cylinder retaining ring (21). Remove weight assembly from cylinder. Remove sleeve and O-ring seal from cylinder. Remove the piston and valve from cylinder. Remove the weight assembly drive gear retaining pin from shaft. Remove the weight assembly drive gear.
10. Remove the governor drive pinion retaining ring (22). Remove drive pinion (23).
11. Remove the oil pump gear cover retaining bolts and locks (24). Remove cover (25).
12. Remove the oil pump gears (26) and shaft. Using a suitable tool, remove oil pump gear bushing (27). Remove oil pump bypass valve plunger, spring, washer and plug from body assembly.
Assemble Governor
1. Using tool setup (A), install bearing in oil pump housing.
2. Install the oil pump bypass valve plunger, spring, washer and plug in the body assembly. Install oil pump gear in body assembly. Lubricate the oil pump gears.
3. Install the oil pump gear cover, retaining bolts and locks. Install the governor drive pinion and retaining ring. Assemble weight assembly drive gear.
4. Assemble weight, piston and valve assemblies as follows: Install piston and valve in cylinder. Install sleeve and O-ring seal in cylinder. Install weight assembly and retaining ring on cylinder. Install pin assembly. Install bearings and races on sleeve. Install bearing retaining ring on sleeve. Install the bearing and sleeve assembly, washers, spring and bolt in seat. Position the seat and install pin and retaining ring.
5. Install the weight, piston and valve assemblies and weight assembly drive gear as a unit in body assembly. Install weight assembly-to-body assembly retaining bolts and lock. Position the fuel rack engaging lever on body assembly and install retaining pin.
6. Assemble lever assembly as follows: Install spring and plunger in lever assembly. Install the retaining pin.
7. Assemble housing assembly as follows. Install the bearings and seal in housing. Position the lever assembly in housing and install shaft and governor control lever. Install lever assembly-to-shaft retaining bolt and lock. Install speed limiter plunger, spring, plug and gasket in housing.
8. Install governor spring, seat, two washer-type springs with a spacer between them and washer on weight assembly. The inside diameter of washer-type spring should be against the seat on weight assembly.
9. Position the two rear governor-to-fuel injection pump housing retaining bolts in governor housing. Position the governor housing assembly on body assembly and install two retaining screws.
10. Install the rack stop group. Install rack stop collar, collar and spring. Install rack stop collar retaining screw.
11. Assemble the cover assembly as follows: Install the terminal assembly in cover assembly. Install seals in cover assembly. Install the shaft assembly, levers, retaining bolts and locks.
12. Position cover assembly on governor housing and install mounting bolts. Install the cover assembly plate, mounting bolts, nuts and screws. Install the high and low idle screws.
concluding steps:
a) install governor
b) adjust governor (See GOVERNOR ADJUSTMENTS in TESTING AND ADJUSTING)
c) install fuel ratio control with override
