John Deere stx38 - Manual (Page 230)

5 - 66
3/20/97
REPAIR POWER TRAIN
.
3. Install idler combination gear assembly (H) into
lower case half.
4. Measure air gap (J) between shim washer (I) and
face of case (K) (see Inspect Idler Combination
Gear Assembly).
5. When proper air gap is obtained, assembly should
drag slightly against feeler gauge.
Assemble Input Shaft/Pinion Gear Assembly:
IMPORTANT: DO NOT scratch or deform upper
case half bore when installing needle bearings.
1. Pack needle bearings (A and B) with grease before
installing.
2. Install lower needle bearing (B) with flat side of
bearing (with lettering) toward inside of case.
Press lower needle bearing in case bore until it is
recessed 3.3 mm (0.13 in.) (H) from inside bore
opening.
3. Install upper needle bearing (A) with flat side of
bearing (with lettering) toward outside of case.
Press upper bearing in case bore until it is flush—
0.76 mm recessed (flush—0.03 in. recessed) with
outside bore opening.
4. Pack cavities (G and H) with grease before
installing input shaft.
5. Install input shaft (E) (with keyway on outside of
case), large washer (I), small washer (J), bevel
pinion gear (K), and snap ring (L).
M42324
I
J
K
H
M42497
A
M42496
B
M42525
L
K
A
B
E
H
G
J
I
D
C
F
L
K
I
E
M42320
J