Valve Body

DISASSEMBLY OF VALVE BODY




1. REMOVE VALVE BODY PLATE AND GASKETS




2. REMOVE MANUAL VALVE

3. REMOVE CUT BACK VALVE




a. Remove the locating pin for the cut-back plug.




b. Remove the cut-back valve.




4. REMOVE COVER AND GASKET




5. REMOVE 2-3 SHIFT VALVE AND SPRING




6. REMOVE 1-2 SHIFT VALVE AND SPRING




7. REMOVE OIL PUMP SUCTION TUBE




8. REMOVE DETENT PRESSURE CUT VALVE, REGULATOR VALVE AND SPRING

9. REMOVE INTERMEDIATE COAST SHIFT VALVE




a. Remove the shift valve plug seat for the 2-3 shift valve plug.




b. Remove the intermediate coast shift valve.




10. REMOVE SNAP RING
11. REMOVE PLUG
Temporarily install the bolt to the plug and remove the plug.




12. REMOVE LOW-COAST SPRING, SLEEVE AND VALVE




DISASSEMBLY OF THROTTLE VALVE




1. REMOVE VIBRATING STOPPER FOR THROTTLE VALVE




2. REMOVE LOCATING PIN FOR DOWN SHIFT PLUG




3. REMOVE THROTTLE VALVE, SPRING AND ADJUSTING SPACER




4. REMOVE THROTTLE VALVE SLEEVE

NOTE: Be careful not to damage the case and sleeve.

INSPECTION OF VALVE BODY AND THROTTLE VALVE







INSPECT VALVE SPRINGS
Check for damage, squareness, rust and distorted coils. Measure the spring free height and replace any spring if less than that shown below.

ASSEMBLY OF VALVE BODY



1. INSTALL LOW-COAST SHIFT VALVE
Insert the low-coast shift valve with the projection down- ward.




2. INSTALL LOW-COAST SHIFT CONTROL VALVE
a. Insert the low-coast shift valve control sleeve
b. Insert the low-coast shift control valve and spring with the cup side downward.




3. INSTALL 1-2 SHIFT VALVE PLUG
4. INSTALL SNAP RING




5. INSTALL INTERMEDIATE COAST SHIFT VALVE
Insert the intermediate coast shift valve with the small end downward.




6. INSTALL 2-3 SHIFT VALVE PLUG
7. INSTALL 2-3 SHIFT VALVE PLUG SEAT




8. INSTALL DETENT REGULATOR VALVE AND SPRING
Insert detent regulator valve with the small end downward.

9. INSTALL DETENT PRESSURE CUT VALVE




10. INSTALL OIL PUMP SUCTION TUBE
Secure the cut-back plug with the suction tube bracket.




11. INSTALL 1-2 SHIFT VALVE AND SPRING
Insert the 1-2 shift valve with the small end downward.

12. INSTALL 2-3 SHIFT VALVE AND SPRING
Insert the 2-3 shift valve with the small end downward.




13. INSTALL VALVE BODY COVER

Torque: 55 kg-cm (48 in.-lb, 5.4 N.m)




14. INSTALL CUT-BACK VALVE AND PLUG
Insert the valve with the small end downward.

15. INSTALL CUT-BACK VALVE RETAINER
Coat the pin with petroleum jelly to keep it in place.

ASSEMBLY OF THROTTLE VALVE



1. INSTALL SAME NUMBER OF ADJUSTING SPACERS WHICH WERE DISASSEMBLED INTO SLEEVE




2. INSTALL THROTTLE VALVE AND SPRING INTO SLEEVE




3. ASSEMBLE SLEEVE TO CASE
Align the sleeve center with the case hole.

NOTE: Do not twist the sleeve.




4. PUSH DOWN SHIFT PLUG AND INSTALL LOCATING PIN




5. INSTALL VALVE VIBRATING STOPPER

NOTE: Apply petroleum jelly to keep it in place.

6. INSURE THAT VALVE SLIDES SMOOTHLY