Forward / Reverse Speed; Steering Toe-In - Jacobsen AR-522 Dealer's Manual

4 ADJUSTMENTS
4.6

FORWARD / REVERSE SPEED ______________________________________________

Forward and reverse speeds are adjusted at the traction pedal.
Set forward speed before adjusting reverse.
To adjust forward speed:
1. Make sure drive pump has been set to Neutral and engine
throttle is adjusted correctly.
2. Start engine and check forward travel speed with engine
at full throttle and mower in two wheel drive (2WD).
Forward transport speed should measure 10 mph (16
kph).
3. Stop engine. To adjust forward speed, disconnect eye bolt
(K) from pedal and loosen jam nut. Turn eye bolt in to
reduce speed, out to increase speed. Tighten jam nut to
hold adjustment in place and connect eye bolt.
4. With traction pedal in Neutral, check position of Neutral
(J) . Adjust switch up or down so pointer (M) on
switch
traction pedal bracket is centered over it. When adjusted
correctly lamp 5 on controller will light when ignition switch
is turned to on.
5. Start engine and check forward speed. Repeat procedure
until 10 mph (16 kph) forward transport speed is attained.
To adjust reverse speed:
1. Set forward speed.
4.7

STEERING TOE-IN _________________________________________________________

1. Turn wheels to straight ahead position.
Loosen jam nuts (N) on both sides of tie rod (M).
2.
Turn tie rod (S) to provide proper toe-in. Toe-in must not
3.
exceed +1/16 in. (+1.5 mm) (P). Retighten jam nuts.
4. After adjusting tie rod, adjust steering cylinder by
threading the rod (T) in or out of ball joint so spindle arm (R)
clears the stop on the axle by 3/4 ± 1/16 in. (19 ± 1.5 mm)
(U) when cylinder is fully extended.
en-14
2. Start engine and check reverse travel speed with engine
at full throttle. Reverse speed should measure 3.5 mph
(5.6 kph).
3. Stop engine. To adjust reverse speed, loosen nut on
reverse travel stop bolt (L). Slide bolt forward in slotted
hole to increase speed, back to reduce speed. Tighten nut
to hold adjustment in place.
4. Start engine and check speed. Repeat procedure until 3.5
mph (5.6 kph) reverse speed is attained.
K
N
R
J
L
Figure 4E
P
S
N
T
P
+0 to1/16"
(+0 to 1.5 mm)
U
3/4 ± 1/16 in.
(19 ± 1.5 mm)
M
LF016