Output Shaft
OUTPUT SHAFTCOMPONENTS:
DISASSEMBLY
1. INSPECT 1ST GEAR THRUST CLEARANCE
a) Using a feeler gauge, measure the thrust clearance.
Standard clearance: 0.10 to 0.40 mm (0.0039 to 0.0157 inch)
Maximum clearance: 0.40 mm (0.0157 inch)
If the clearance is greater than the maximum, replace the 1st gear or No. 1 transmission clutch hub.
2. INSPECT 2ND GEAR THRUST CLEARANCE
a) Using a dial indicator, measure the thrust clearance.
Standard clearance: 0.10 to 0.45 mm (0.0039 to 0.0177 inch)
Maximum clearance: 0.45 mm (0.0177 inch)
If the clearance is greater than the maximum, replace the No. 1 transmission clutch hub, 2nd gear or 3rd driven gear.
3. INSPECT 1ST GEAR RADIAL CLEARANCE
a) Using a dial indicator, measure the radial clearance between the gear and shaft.
Standard clearance
Standard clearance:
Maximum clearance
Maximum clearance:
If the clearance is greater than the maximum, replace the gear, needle roller bearing or shaft.
4. INSPECT 2ND GEAR RADIAL CLEARANCE
a) Using a dial indicator, measure the radial clearance.
Standard clearance
Standard clearance:
Maximum clearance
Maximum clearance:
If the clearance is greater than the maximum, replace the 2nd gear needle roller bearing.
5. REMOVE 4TH DRIVEN GEAR
a) Using SST and a press, press out the output shaft rear bearing and 4th driven gear from the output shaft.
SST 09950-00020
6. REMOVE OUTPUT GEAR SPACER
a) Remove the output gear spacer from the output shaft.
7. REMOVE 2ND GEAR
a) Using SST and a press, press out the 3rd driven gear with 2nd gear from the output shaft.
SST 09950-00020
8. REMOVE 2ND GEAR NEEDLE ROLLER BEARING
a) Remove the 2nd gear needle roller bearing and 2nd gear bearing spacer from the output shaft.
9. REMOVE NO. 1 SYNCHRONIZER RING (for 2nd Gear)
a) Remove the No. 1 synchronizer ring from the output shaft.
10. REMOVE 1ST GEAR
a) Using 2 screwdrivers and a hammer, remove the snap ring from the output shaft.
NOTICE: Use a cloth to keep the snap ring from springing away.
b) Using SST and a press, press out the No. 1 clutch hub and 1st gear from the output shaft.
SST 09950-00020
NOTICE:
^ Do not tighten SST excessively.
^ Support the input shaft by hand so that it will not drop.
11. REMOVE NO. 1 SYNCHRONIZER RING (for 1st Gear)
a) Remove the No. 1 synchronizer ring from the 1st gear.
12. REMOVE 1ST GEAR NEEDLE ROLLER BEARING
a) Remove the 1st gear needle roller bearing from the output shaft.
13. REMOVE 1ST GEAR THRUST WASHER
a) Remove the 1st gear thrust washer from the output shaft.
14. REMOVE 1ST GEAR THRUST WASHER BALL
a) Remove the 1st gear thrust washer ball from the output shaft.
15. REMOVE REVERSE GEAR
a) Remove the reverse gear, 3 No. 1 synchromesh shifting keys and 2 No. 1 synchromesh shifting key springs from the No. 1 transmission clutch hub.
NOTICE: Use a cloth to keep the shifting key and shifting key spring from springing away.
INSPECTION
1. INSPECT OUTPUT SHAFT
a) Using a dial indicator and 2 V-blocks, measure the output shaft runout.
Maximum runout: 0.015 mm (0.0006 inch)
If the runout is greater than the maximum, replace the output shaft.
b) Using a micrometer, measure the diameter of the output shaft journal surface.
Standard diameter
Standard diameter:
If the diameter is less than the minimum, replace the output shaft.
2. INSPECT 2ND GEAR
a) Using a cylinder gauge, measure the inside diameter.
Standard inside diameter: 38.015 to 38.031 mm (1.4967 to 1.4972 inch)
Maximum inside diameter: 38.031 mm (1.4972 inch)
If the inside diameter is greater than the maximum, replace the 2nd gear.
3. INSPECT 1ST GEAR
a) Using a cylinder gauge, measure the inside diameter.
Standard inside diameter: 44.015 to 44.031 mm (1.7328 to 1.7335 inch)
Maximum inside diameter: 44.031 mm (1.7335 inch)
If the inside diameter is greater than the maximum, replace the 1st gear.
4. INSPECT 1ST GEAR THRUST WASHER
a) Using a micrometer, measure the thickness.
Standard thickness: 5.975 to 6.025 mm (0.2352 to 0.2372 inch)
Minimum thickness: 5.975 mm (0.2352 inch)
If the thickness is less than the minimum, replace the 1st gear thrust washer.
5. INSPECT NO. 1 SYNCHRONIZER RING (for 2nd Gear)
a) Coat the 2nd gear cone with gear oil. Turn the synchronizer ring in one direction while pushing it against 2nd gear cone. Check that the ring locks. If the synchronizer ring does not lock, replace the ring or 2nd gear.
b) Using a feeler gauge, measure the clearance between the synchronizer ring back and gear spline end.
Standard clearance: 0.75 to 1.65 mm (0.0295 to 0.0650 inch)
Minimum clearance: 0.75 mm (0.0295 inch)
If the clearance is less than the minimum, replace the synchronizer ring.
6. INSPECT NO. 1 SYNCHRONIZER RING (for 1st Gear)
a) Coat the 1st gear cone with gear oil. Turn the synchronizer ring in one direction while pushing it against the 1st gear cone. Check that the ring locks. If the synchronizer ring does not lock, replace the ring or 1st gear.
b) Using a feeler gauge, measure the clearance between the synchronizer ring back and gear spline end.
Standard clearance: 0.75 to 1.65 mm (0.0295 to 0.0650 inch)
Minimum clearance: 0.75 mm (0.0295 inch)
If the clearance is less than the minimum, replace the synchronizer ring.
7. INSPECT REVERSE GEAR
a) Using a vernier caliper, measure the width of the reverse gear groove (A) and the thickness of the claw part on the reverse shift fork (B), and calculate the clearance.
Standard clearance: A - B = 0.15 to 0.35 mm (0.0059 to 0.0138 inch)
b) Check that the spline gear edges of the reverse gear are not worn down.
8. INSPECT NO. 1 TRANSMISSION CLUTCH HUB
a) Check that the No. 1 transmission clutch hub and reverse gear slide smoothly.
b) Check that the spline gear edges of the reverse gear are not worn down.
REASSEMBLY
1. INSTALL REVERSE GEAR
a) Coat the reverse gear with gear oil, and install it to the No. 1 transmission clutch hub.
NOTICE: Be sure to set the reverse gear and transmission clutch hub No. 1 in the correct orientation.
b) Install the 2 No. 1 synchromesh shifting key springs and 3 No. 1 synchromesh shifting keys to the No. 1 transmission clutch hub.
NOTICE: Do not set both openings of the shifting key springs in the same position.
2. INSTALL 1ST GEAR THRUST WASHER BALL
a) Coat the 1st gear thrust washer ball with MP grease, and install it to the output shaft.
3. INSTALL 1ST GEAR THRUST WASHER
a) Coat the 1st gear thrust washer with gear oil, and install it to the output shaft.
4. INSTALL 1ST GEAR NEEDLE ROLLER BEARING
a) Coat the 1st gear needle roller bearing with gear oil, and install it to the output shaft.
5. INSTALL 1ST GEAR
a) Coat the 1st gear with gear oil, and install it to the output shaft.
6. INSTALL NO. 1 SYNCHRONIZER RING (for 1st Gear)
a) Coat the No. 1 synchronizer ring with gear oil, and install it to the 1st gear.
7. INSTALL NO. 1 TRANSMISSION CLUTCH HUB
a) Using SST and a press, press in the No. 1 transmission clutch hub to the output shaft.
SST 09316-60011 (09316-00031)
HINT:
^ The 1st gear can be turned.
^ While checking that the 1st gear thrust washer pin or ball is inserted into the groove of the 1st gear thrust washer, press and fit the No. 1 clutch hub.
b) Select a snap ring that will allow minimum axial play.
Standard clearance: 0.1 mm (0.004 inch) or less
Standard snap ring thickness
Standard snap ring thickness:
c) Using a brass bar and hammer, tap in the snap ring to the output shaft.
NOTICE: Take care not to damage the journal surface of the output shaft.
8. INSTALL 2ND GEAR NEEDLE ROLLER BEARING
a) Coat the 2nd gear needle roller bearing and 2nd gear bearing spacer with gear oil, and install them to the output shaft.
9. INSTALL NO. 1 SYNCHRONIZER RING
a) Coat the No. 1 synchronizer ring with gear oil, and install it to the 2nd gear.
10. INSTALL 2ND GEAR
a) Coat the 2nd gear with gear oil, and install it to the output shaft.
11. INSTALL 3RD DRIVEN GEAR
a) Using SST and a press, press in the 3rd driven gear to the output shaft.
SST 09950-00020
12. INSTALL OUTPUT GEAR SPACER
a) Install the output gear spacer to the output shaft.
13. INSTALL 4TH DRIVEN GEAR
a) Using SST and a press, press in the 4th driven gear to the output shaft.
SST 09612-22011
14. INSTALL INPUT SHAFT REAR RADIAL BALL BEARING
a) Using SST and a press, press in the output shaft rear bearing to the output shaft.
SST 09612-22011
15. INSPECT 2ND GEAR RADIAL CLEARANCE
a) Using a dial indicator, measure the radial clearance.
Standard clearance
Standard clearance:
Maximum clearance
Maximum clearance:
If the clearance is greater than the maximum, replace the 2nd gear or needle roller bearing.
16. INSPECT 1ST GEAR RADIAL CLEARANCE
a) Using a dial indicator, measure the radial clearance.
Standard clearance
Standard clearance:
Maximum clearance
Maximum clearance:
If the clearance is greater than the maximum, replace the 1st gear or needle roller bearing.
17. INSPECT 2ND GEAR THRUST CLEARANCE
a) Using a dial indicator, measure the thrust clearance.
Standard clearance: 0.10 to 0.45 mm (0.0039 to 0.0177 inch)
Maximum clearance: 0.45 mm (0.0177 inch)
If the clearance is greater than the maximum, replace the 2nd gear or 2nd gear bearing spacer.
18. INSPECT 1ST GEAR THRUST CLEARANCE
a) Using a feeler gauge, measure the 1st gear thrust clearance.
Standard clearance: 0.10 to 0.40 mm (0.0039 to 0.0157 inch)
Maximum clearance: 0.40 mm (0.0157 inch)
If the clearance is greater than the maximum, replace the 1st gear, 1st gear thrust washer or No. 1 transmission clutch hub.