1942 - 1947 Chevrolet Shop Manual



7-18

		pin and screw the valve link onto the valve rod 1/2 turn at a time until proper valve action is obtained. 5. Reassemble the piston rod yoke and valve to the reactionary levers according to instructions given under the heading "Reactionary Levers."
		VACUUM CYLINDER VALVE FRICTION SPRING To install this spring remove the outer half of the reactionary lever metal boot. Disconnect reactionary levers from vacuum cylinder. Pull out the valve rod in the vacuum cylinder and snap the friction spring in place about midway between the valve and the valve rod guide. NOTE—The closed end of the spring should be toward the back of the cylinder.
Fig, 31-Valve Links Toward The Cylinder moves inward but will not move outward, the valve link is screwed too far out on the valve rod. To correct this condition remove the clevis



Fig. 32—Truck Four-Speed Transmission {3/4 Ton Long Wheelbase Panel and All I-1/2 Ton Trucks)

1 Clutch Gear Bearing 2 Main Shaft Pilot Bearing 3 Clutch Gear Bearing Retainer 4 Clutch Gear 5 High Speed Sliding Gear 6 Countershaft Front Bearing 7 Countershaft Drive Gear	8 Reverse Countergear 9 Third Speed Countergear 10 Second Speed Countergear 11 Low Speed Countergear 12 Countershaft Rear Bearing 13 Low, Second and Reverse Speed Sliding Gear		14 Rear Bearing Retainer 15 Main Shaft Rear Bearing 16 Main Shaft 17 Universal Joint Yoke 18 Oil Seal 19 Gear Shifter Shaft 20 Shifter Forks