John Deere stx38 - Manual (Page 274)

6 - 42
3/21/97
REPAIR HYDROSTATIC POWER TRAIN
Install Pump, Swashplate, and Shifter Shaft
Assemblies—
IMPORTANT: Read these next four procedures
completely before proceeding.
1. Install swashplate thrust plates (A).
2. Install new o-ring (E) on shifter shaft.
3. Install swashplate (F), shift blocks (D) (apply grease
to help hold blocks in place), ball joint (C), and
shifter shaft (B) together.
4. Install thin bearing thrust washer (G) first, ball
bearing (H), and thick bearing thrust washer (I) on
top (mates with pump pistons) into swashplate (J).
IMPORTANT: Hold fingers tightly between all five
pistons so pistons don’t drop out of cylinder
block during assembly and spline alignment.
5. Install pump cylinder block assembly (K) over pump
shaft, twisting left or right until splines of cylinder
block align with shaft splines (L), and on top of
swashplate bearing assembly.
6. Push on pump cylinder block a few times to ensure
assembly is properly installed and has smooth
movement and good spring tension.
Install Motor and Drive Shaft Assembly—
1. Assemble motor drive shaft.
2. Wrap tape over brake disc splines (A) before
installing new seal with open lip to inside. Remove
tape once seal is installed.
3. Install narrow thrust washer (C) into fixed
swashplate recess (B) first, then ball bearing (D),
and wide thrust washer (E) last (mates with motor
pistons).
M58239
A
M58240
B
D
C
F
E
M58242
I
H
J
G
M58243
K
L
A
M58244
M58245
B
C
D
E