Sabre 15538 Hydro - REPAIR; Install Motor and Drive Shaft Assembly; Install Pump, Motor, and Center Block Assembly

REPAIR HYDROSTATIC POWER TRAIN
2/12/97 6 - 51
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—
A
B
C
D
E
H
F
G
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).
4. Install motor drive shaft assembly with longer
cylinder block splines (G), spring (H), and snap ring
(F) through fixed swashplate hole as shown.
5. Coat motor (I) and pump (J) machined surfaces of
center block and backside of bronze motor (L) and
pump (K) plates with grease to hold bronze plates
in place.
6. Install motor (L) and pump (K) plates with bronze
side facing away from center block.
Install Pump, Motor, and Center Block Assembly—
IMPORTANT: DO NOT scratch surface of bronze
plate (M) with machined surface of cylinder
block or with end of drive shaft (L).
L
K
I
J
E
F
G
I
C
A
B
J
K
M
L
H
N
D
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