Service Manual

93PR Series
Prior to disassembly, note the position of the scis-
sor arm brackets and the tab on the outer control
arm bracket.
See Figure 1.
Disassembly
CAUTION: The spring used on the return to neutral
linkage is under tension. To avoid possible injury,
use care and proper protection during disassembly
and assembly of the return to neutral linkage.
1. Loosen (but do not remove) the bolt (102).
2. To relieve spring tension, carefully pry up on the
outer scissor control arm until it releases from
the tab on the outer control arm bracket.
3. Remove the spring (108), bolt (102), washer
(99) and outer scissor arm bracket (103).
4. Remove bushing (106), washers (109), and the
inner scissor arm bracket (104).
5. Remove the outer control arm bracket (101),
bolt (107), washer (99), and inner control arm
bracket (105).
PR SERIES PUMP REPAIR
REMOVAL, INSPECTION AND/OR
REPLACEMENT OF RETURN TO
NEUTRAL ASSEMBLY
Inspection
1. With the arm control linkage removed, inspect
the trunnion arm (13) and trunnion arm seal
(12).
2. Inspect bushing (106) and all other linkage parts
for damage, corrosion or wear.
Assembly
1. Install the inner return arm bracket (105), washer
(99) and bolt (107).
NOTE: Do not over tighten the bolt (107). The
bracket must move freely.
2. Install the outer control arm bracket (101),
washer (109) and bushing (106).
3. Install the inner scissor control arm bracket
(104), washer (109), and outer scissor control
arm bracket (103).
4. Install washer (99), and bolt (102). Tighten to
the correct torque value. See page 92
5. Install the spring (108).
Figure 1. PR Pump Return to Neutral
105
12
13
99
107
110
101
109
109
104
106
99
102
108
103