2004 ISUZU TF SERIES Workshop Manual

Page 3201 of 4264

ISUZU TF SERIES 2004  Workshop Manual MANUAL TRANSMISSION     7B1-37
 
Top Gear Shaft, Main Gear Shaft, and Counter Gear Shaft 
Disassmebled View 
 
 
 226RS026

Page 3202 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7B1-38     MANUAL TRANSMISSION
 
Legend
 
(1)  Top Gear Shaft Snap Ring  (16) 1st Outside Ring 
(2)  Top Gear Shaft  (17) 1st Block Ring 
(3)  Ball Bearing  (18) Needle Bearing 
(4)  Needle Bearing  (

Page 3203 of 4264

ISUZU TF SERIES 2004  Workshop Manual MANUAL TRANSMISSION     7B1-39
 
Disassembly 
  1. Use a pair of snap ring pliers to remove the top gear 
shaft snap ring(1). 
  2. Remove top gear shaft(2) with ball bearing(3). 
  3. Use a bench pre

Page 3204 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7B1-40     MANUAL TRANSMISSION
 
9.Disassemble 1st inside ring (15), 1st outside ring (16), 
and 1st block ring (17). 
10.Remove needle bearing (18). 
11.Use a pair of snap ring pliers to remove the c

Page 3205 of 4264

ISUZU TF SERIES 2004  Workshop Manual MANUAL TRANSMISSION     7B1-41
 
Inspection and Repair 
Make the necessary adjustments, repairs, and part 
replacements if excessive wear or damage is 
discovered during inspection. 
Block Ring and Do

Page 3206 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7B1-42     MANUAL TRANSMISSION
 
1st-2nd Synchronizer (3-CONE) 
   Use a thickness gauge to measure the clearance 
between the block ring and the dog teeth. 
  
226RS036
If the measured value exceeds

Page 3207 of 4264

ISUZU TF SERIES 2004  Workshop Manual MANUAL TRANSMISSION     7B1-43
 
Mainshaft Run-out 
   Install the mainshaft to V-blocks. 
 
  Use a dial indicator to measure the mainshaft 
central portion run-out. 
  
226RS039
If the measured ma

Page 3208 of 4264

ISUZU TF SERIES 2004  Workshop Manual 7B1-44     MANUAL TRANSMISSION
 
Clutch Hub Spline Play 
   Set a dial indicator to the clutch hub to be 
measured. 
  
226RS042
 
  Move the clutch hub as far as possible to both the 
right and the