Cheking, Disassembling And Servicing; Checking And Adjusting; Hst Speed Change System - Kubota GR1600EU Workshop Manual

GR1600EU, WSM

4. CHEKING, DISASSEMBLING AND SERVICING

[1] CHECKING AND ADJUSTING

(1) HST Speed Change System

Adjustment of HST Neutral Position
1. Block the front wheels with stoppers, and lift up the rear of
machine with a jack.
2. Remove the left rear wheel.
Remove the cover. [GR1600F, GR1600ID only]
3. Start the engine, and set at approx. 1500 to 3000 min
4. Loosen the holder shaft mounting screw (3).
5. Rotate the holder shaft (2) counterclockwise so that the rear
wheels turn forward.
6. Then rotate it clockwise until the rear wheels stop completely.
7. Put a mark on the neutral arm (1). (Position B)
8. Rotate the holder shaft (2) clockwise so that the rear wheels
turn in reverse.
9. Then rotate it counterclockwise until the rear wheels stop
completely.
10. Put a mark on the neutral arm (1). (Position A)
11. Set the holder shaft (2) where it is right in the center between
position A and B and tighten the holder shaft mounting screw
(3) firmly.
This means the hydrostatic transaxle is fully in neutral.
(Position C)
WARNING
• Use buddy system in adjusting the neutral position.
• One of you should sit on the operator's seat, adjust the
engine rpm and step on the speed change pedal. The other
should adjust the neutral position.
(1) Neutral Arm
(2) Holder Shaft
Speed Change Pedal Restriction
NOTE
• You must adjust this after you complete the adjustment of
neutral.
1. Set the speed change pedal (1) to "NEUTRAL" position, and
apply the parking brake.
2. Check that the pin (3) of speed change pedal lock with the brake
pedal arm (2).
3. If it is improper, adjust the length "A" with the rod end (4) on
speed change rod.
4. Then adjust the length "B" with adjusting nut (6) on speed
change rod (5).
(Reference)
• Length "A": 20 mm (0.79 in.)
• Length "B": 16 to 20 mm (0.63 to 0.78 in.)
(1) Speed Change Pedal
(2) Brake Pedal Arm
(3) Pin
2-S6
TRANSAXLE
-1
(3) Holder Shaft Mounting Screw
9Y1210595TXS0014US0
(4) Rod End
(5) Speed Change Rod
(6) Adjusting Nut
9Y1210595TXS0015US0
KiSC issued 11, 2013 A
(rpm).