PGEV and PGE Locomotive Governors. Manual - part 19

Manual 36703

PGEV and PGE Locomotive Governors

Woodward

19. Reassemble water box and attach it to power case.

20. Put small gasket in top of power case (Figure 5-36.

Figure 5-36. Power Case Assembly Complete

Figure 5-37. Column to Power Case Assembly

PGEV and PGE Locomotive Governors

Manual 36703

Woodward

21. Insert ballhead assembly in position in power case.

Column

(Figures 5-38 through 5-66)

1. Check ballhead drive-gear teeth. If gear is okay, place in position in bottom

of column.

2. Clean both timing valves, replace O-rings on needle valves, insert in

column, and secure with retainer plate, instruction plate, lockwasher and
screw (Figure 5-38).

Figure 5-38. Timing Valve

3. Install bulkhead union assembly as shown in Figure 5-39.

Figure 5-39. Lube Oil Shutdown

Manual 36703

PGEV and PGE Locomotive Governors

Woodward

4. Insert gasket, plunger, spring, piston, and bushing into hole for low-oil

shutdown (Figure 5-39).

5. Assemble diaphragms as shown in Figure 5-39 or 5-39A.

Do not let the diaphragm twist or buckle while tightening the nut.

Figure 5-39A. Differential Area Lube Oil Shutdown

Figure 5-40. Load Control Supply Valve

6. Tighten nut on plunger to secure assembly.

PGEV and PGE Locomotive Governors

Manual 36703

Woodward

7. For differential-area lube-oil shutdown, roll diaphragm into area around

piston inside of spacer. Do not use a sharp tool to start the diaphragm;
usually it can be started with your finger.

8. Insert diaphragm assembly into cylinder for lube-oil system.

9. Install load-control supply valve in order as shown and in correct hole in

column.

10. Replace bearings, if required, in end plate. See Figure 5-41. Use a brass

punch through bearing end to remove end cap. Then reverse end plate and
drive out bearing. Press fit new bearings into both end plates.

Figure 5-41. Vane Assembly

11. Assemble servo shaft, vane inserts, and springs into housing.

Use new springs with vane inserts.

12. Put oil seals in place on housing and secure end caps to housing with

screws and lockwashers.

13. Install three O-rings, shown in side plate, Figure 5-42.