COMBINE HARVESTER AW70V, VNQ, AW82V, VNQ. Manual - part 22

Periodic Inspection

 

89 

 

 

Screening belt

 

 

 

 

 

 
<Adjusting> 
1. Remove the lower cover of the threshing section. 
2. Loosen the lock nut and turn the adjusting nut to 

change the spring length. 

3. Fix it with the lock nut. 
 

Swing separator drive belt

 

 

 

 

 
 

 

 

 

 

 
Adjust the tension spring length to 106±2mm. 

 

 
<Adjusting> 
1. Remove the lower cover of the threshing section. 
2. Loosen the lock nut and turn the adjusting nut to 

change the spring length. 

3. Fix it with the lock nut. 

 

Transmission drive belt

 

 

 

Be sure to fix the safety lock of the header. 
Otherwise, it may fall down rapidly and 
cause injuries. 

 
<Adjusting> 
1. Loosen the lock nut, and use the nut to adjust the 

hook length of traveling tension spring to 150±2mm. 

2. Fix it with the lock nut. 
 

 

 

 

 

Screening belt

Adjusting part 

198

±

2mm

106

±

2mm 

Adjusting part

Swing separator drive belt

150

±

2mm

Periodic Inspection

 

90 

 

 

Adjusting the resetting mechanism of main 
shift lever

 

 

 

 

 

 

 

 

 
<Adjusting> 

1. Engage the brake pedal lock. 
2. Put the main shift lever to “Neutral”, loosen the fixing 

nuts on both ends of the adjusting section, and turn 
the adjusting nut to control the gap between the inner 
surface of pin hole and pin outer surface of the pin 
within 0-1mm. 

3. Fix it with lock nuts. 
 

Adjusting the brake pedal

 

 
<Adjusting> 
1. Engage the brake pedal lock. 
2. Use the nut to adjust the hook length of tension 

spring to 110.2±0.5mm. 

3. Fix it with lock nuts. 

 

 

 

Adjusting nut

Fixing nut 

Brake pedal 

Lock 

Lock nut

110.2

±

0.5mm 

Periodic Inspection

 

91 

 

 

Adjusting the steering system

 

 

 

 
[Note]  
Be sure to install the turning rod to the correct position 
(direction). 
 
1. Adjustment of the turning lever neutral position 
 
Adjust the tightening position of the nut (C) so that the 
clevis pin (B) loosely moves (with no pressure or 
tension applied to the turning rod) when there is no 
clearance between the turning link and the stopper pin 
(A) (pinching the turning link from the top). 
 
[Note] 


  Make sure that there is no torsion in the rod when 

tightening the nut. 



  Be sure to lock with the nut. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

 

 

 

 

 
If the neutral position of the turning lever is not adjusted 
correctly, the following problem may occur.   
- The response that the operator feels when turning 

right and left varies 

- Adjustment procedure 3 (Page 93) is not satisfied. 
 

Brake wire 2pc. 

Plate length 300mm 

Turning rod

 

A

A

Turning rod

Stopper pin 

Turning link

Periodic Inspection

 

92 

 

 
2. Adjustment of the spool machine bolt located on 

the upper side of the actuator 

 
Machine bolt margin E: 17.5±1 mm (both right and left) 
[Note] 
Be sure to lock with the nut. 

 

 

 
If dimension E is not adjusted correctly, the following 
problem may occur.   
- The response that the operator feels when turning 

right and left varies 

- Adjustment procedure 3(Page 93) is not satisfied. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
3. Adjustment of brake wire 
 
The clearance between the spool on the upper side of 
the actuator and the machine bolt while lifting the 
machine bolt fixing seat when the turning lever is in the 
neutral position.   
H: 10±1 mm (both right and left) 
 

 

 
If dimension H is insufficient, the following problem may 
occur.  
- Sudden turning when operating the turning lever 
- Excess lever operating force 
- Premature wear to the side clutch blade 
 
 

Lock nut 

Lock nut 

Machine bolt 

E 

H

Adjusting nut

Lock nut