Page 2097 of 2267
9. Drive retaining pin out of striking lever, then remove striking
rod, striking lever and striking interlock.
IEnsure striking lever is positioned so that retaining pin
does not foul clutch housing during removal.
IBe careful not to damage oil seal lip, when removing strik-
ing rod. If necessary, tape edges of striking rod.
10. Remove reverse check plug, then detach reverse check spring
and check balls.
IBe careful not to lose check balls.
IIf the smaller ball does not come out, remove it together
with check sleeve assembly.
11. Remove check sleeve assembly.
SMT599A KV320101000
SMT583 Oil seal
SMT584
SMT585
DISASSEMBLYRS5F32A
MT-20
Page 2098 of 2267
Input Shaft and Gears
DISASSEMBLY
1. Before disassembly, check 5th input gear end play.
Gears End play mm (in)
5th input gear0.18 - 0.31 (0.0071 - 0.0122)
IIf not within specification, disassemble and check contact sur-
face of gear, shaft and hub. Then check clearance of snap ring
groove Ð Refer to ªAssemblyº.
2. Remove snap ring and 5th stopper.
3. Remove 5th synchronizer, 5th input gear and 5th gear needle
bearing.
4. Remove snap ring of input shaft front bearing and input gear
spacer.
SMT734A Feeler gauge
End play
Gear
Needle bearing
SMT673B
SMT417CA ST30021000 5th synchronizer
hub 5th input gear
Set tool below
5th input gear
SMT674B Snap ring
Spacer
Input shaft
front bearing
REPAIR FOR COMPONENT PARTSRS5F32A
Input Shaft and Gears
MT-21
Page 2099 of 2267
5. Pull out input shaft front bearing.
6. Remove bearing retainer.
INSPECTION
Gear and shaft
ICheck shaft for cracks, wear or bending.
ICheck gears for excessive wear, chips or cracks.
Synchronizer
ICheck spline area of coupling sleeves, hubs and gears for
wear or cracks.
ICheck baulk rings for cracks or deformation.
ICheck insert springs for wear or deformation.
IMeasure clearance between baulk ring and gear.
Clearance between baulk ring and 5th input gear:
Standard
1.0 - 1.35 mm (0.0394 - 0.0531 in)
Wear limit
0.7 mm (0.028 in)
Bearing
lMake sure bearings roll freely and are free from noise, cracks,
pitting or wear.
SMT675B Puller
Bearing retainer
Vise
SMT602A
NMT022 Shifting insert
Spline
area
SMT140 Baulk ring to
gear clearance
SMT148A
REPAIR FOR COMPONENT PARTSRS5F32A
Input Shaft and Gears (Cont'd)
MT-22
Page 2100 of 2267
ASSEMBLY
1. Assemble 5th synchronizer.
IBe careful not to hook front and rear ends of spread
spring to the same shifting insert.
2. Install bearing retainer.
3. Press on input shaft front bearing.
4. Install input gear spacer.
5. Select correct snap ring of input shaft front bearing to minimize
clearance of groove in input shaft and then install it.
Allowable clearance of groove:
0 - 0.1 mm (0 - 0.004 in)
Snap rings of input shaft front bearing:
Refer to SDS, MT-87.
6. Install 5th gear needle bearing, 5th input gear, 5th synchro-
nizer and 5th stopper.
7. Measure gear end play as a final check Ð Refer to ªDisassem-
blyº.
SMT736A
SMT761B Spread spring
Shifting insert
SMT731 ST22350000
Bearing retainer
SMT708B Snap ring
SMT779A ST377500005th
synchronizer
hub
REPAIR FOR COMPONENT PARTSRS5F32A
Input Shaft and Gears (Cont'd)
MT-23
Page 2101 of 2267
8. Select correct snap ring of 5th synchronizer hub to minimize
clearance of groove in input shaft and install it.
Allowable clearance of groove:
0 - 0.1 mm (0 - 0.004 in)
Snap rings of 5th synchronizer:
Refer to SDS, MT-87.
Mainshaft and Gears
DISASSEMBLY
1. Before disassembly, measure gear end play.
Gear end play:
Gears End play mm (in)
1st main gear0.18 - 0.31 (0.0071 - 0.0122)
2nd-4th main gear0.20 - 0.30 (0.0079 - 0.0118)
lIf end play is not within the specified limit, disassemble and
check the parts.
2. Remove mainshaft rear bearing snap ring, C-ring holder and
C-rings.
SMT591 5th stopper
Snap ring
SMT605 End play
Gear
Feeler gauge
Needle bearing
or bushing
SMT709B Snap ring
C-ring holder
SMT676B Snap ring
C-ring holder
C-ring
Bearing
REPAIR FOR COMPONENT PARTSRS5F32A
Input Shaft and Gears (Cont'd)
MT-24
Page 2102 of 2267
3. Remove mainshaft bearing and spacer.
4. Remove 5th main gear.
5. Remove 4th main gear, 4th gear bushing and steel ball.
ITake care not to lose steel ball.
6. Remove 3rd & 4th synchronizer and 3rd main gear.
SMT677B Puller
Mainshaft bearingSuitable
drift
Spacer
SMT593 ST22730000
Hook tool under
flange as indicated
by arrows
SMT418C 4th main gear
Bushing
Steel ball
SMT679B Drift
REPAIR FOR COMPONENT PARTSRS5F32A
Mainshaft and Gears (Cont'd)
MT-25
Page 2103 of 2267
7. Remove 2nd & 3rd bushing and 2nd gear.
ITake care not to lose the steel ball.
8. Remove 1st & 2nd synchronizer hub and 1st main gear.
INSPECTION
Gear and shaft
ICheck shaft for cracks, wear or bending.
ICheck gears for excessive wear, chips or cracks.
SMT740B
SMT681B Drift
SMT604A
REPAIR FOR COMPONENT PARTSRS5F32A
Mainshaft and Gears (Cont'd)
MT-26
Page 2104 of 2267

Synchronizer
ICheck spline area of coupling sleeves, hubs and gears for
wear or cracks.
ICheck baulk rings for cracks or deformation.
ICheck insert springs for deformation.
IMeasure clearance between baulk ring and gear.
Clearance between baulk rings and gears,
for 1st and 4th gears only:
Standard
1.0 - 1.35 mm (0.0394 - 0.0531 in)
Wear limit
0.7 mm (0.028 in)
I2nd and 3rd gears have inner and outer baulk rings and so
have different measurements.
IMeasure wear of 2nd and 3rd baulk ring.
a. Place baulk rings in position on synchronizer cone.
b. While holding baulk ring against synchronizer cone as far as it
will go, measure dimensions ªAº and ªBº.
Standard:
A 0.7 - 0.9 mm (0.028 - 0.035 in)
B 0.6 - 1.1 mm (0.024 - 0.043 in)
Wear limit:
0.2 mm (0.008 in)
c.If dimension ªAº or ªBº is smaller than the wear limit,
replace outer baulk ring, inner baulk ring and synchro-
nizer cone as a set.
NMT022 Shifting insert
Spline
area
SMT140 Baulk ring to
gear clearance
SMT695B Synchronizer
cone
Inner baulk ring
REPAIR FOR COMPONENT PARTSRS5F32A
Mainshaft and Gears (Cont'd)
MT-27