GENERAL
B1220, B1620, B1820, WSM
G-20
(EU)
[3] CHECK POINTS OF EVERY 50 HOURS
Checking Engine Start System
• Do not allow anyone near the tractor while testing.
• If the tractor does not pass the test do not operate the
tractor.
Q Preparation before testing
1. Sit on operator's seat.
2. Set the parking brake and stop the engine.
3. Shift the main gear shift lever (2) in "NEUTRAL" position.
4. Shift the PTO gear shift lever (3) to "NEUTRAL" position.
5. Fully depress the clutch pedal (1).
Q Test : Switch for the main gear shift lever (2).
1. Fully depress the clutch pedal (1).
2. Shift the main gearshift lever (2) to "Desired" position.
3. Turn the key to "START" position.
4. The engine must not crank.
Q Test : Switch for the PTO gear shift lever (3).
1. Fully depress the clutch pedal (1).
2. Shift the main gearshift lever (2) to "NEUTRAL" position.
3. Shift the PTO gear shift lever (3) to desired position.
4. Turn the key to "START" position.
5. The engine must not crank.
• If the engine cranks during any of these tests, adjust or
replace the required safety switch.
9Y1210272GEG0010US0
Checking Wheel Mounting Bolts and Nuts Tightening Torque
• Never operate tractor with a loose rim, wheel, or axle.
• Any time bolts and nuts are loosened, retighten to
specified torque.
• Check all bolts and nuts frequently and keep them tight.
1. Check wheel bolts and nuts regularly especially when new. If
there are loosened, tighten as follows.
9Y1210272GEG0011US0
(1) Clutch Pedal
(2) Main Gear Shift Lever
(3) PTO Gear Shift Lever
Tightening torque
Front wheel mounting nut
77 to 90 N·m
7.9 to 9.2 kgf·m
57 to 66 lbf·ft
Cotter setting bolt and nut
123 to 147 N·m
12.6 to 15.0 kgf·m
90.8 to 108 lbf·ft
Rear wheel mounting nut
108 to 125 N·m
11.0 to 12.8 kgf·m
79.7 to 92.1 lbf·ft
(1) Front Wheel Mounting Nut
(2) Cotter Setting Bolt and Nut
(3) Rear Wheel Hub Mounting Nut
A : Front
B : Rear
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