John Deere stx38 - Manual (Page 163)

3/21/97
4 - 79
ELECTRICAL REPAIR
REMOVE AND INSTALL
TRANSMISSION NEUTRAL SWITCH
STX30 & STX38 (SN —210000)
1. Early Models—Clean off debris from around neutral
switch (A).
1. Late Models—Clean off debris from around neutral
switch (B).
2. Disconnect wire lead.
3. Remove switch and O-ring.
4. Install O-ring on switch.
IMPORTANT: Install correct switch. Zinc plated
switch (A) for the early model transmissions is
normally open. Brass colored switch (B) for late
model transmissions is normally closed.
5. With transmission in neutral, turn switch down until
switch just shows continuity between the two
terminals. (Use ohmmeter or continuity light). Turn
switch down an additional 1/4 minimum to 3/4
maximum turn until switch terminals line up with
wire lead.
M42194
A
M42193
B
c
CAUTION
If neutral switch (B) on Late Model
transmissions is turned down too far, vehicle
could start in partial gear. Perform neutral switch
adjustment.