Kubota G21LD / G21HD Workshop Manual page 265

G21LD · G21HD, WSM
[3] SERVICING
Adjusting PTO Clutch Return Cable
1. Place the machine on level ground, and stop the engine.
2. Set the PTO clutch lever to "ENGAGE" position.
3. Adjust the PTO clutch return cable length so that it stretchs
slightly tight.
IMPORTANT
• Check the PTO clutch lever gets disengaged when the grass
collector starts to open.
(Reference)
• L1: More than 26 mm (1.02 in.)
• L2: 10 mm (0.39 in.)
Clearance between Tension Collar and Tension Arm Bushing
1. Measure the tension collar O.D. with an outside micrometer.
2. Measure the tension arm bushing I.D. with an inside micrometer,
and calculate the clearance.
3. If the clearance exceeds the allowable limit, replace the tension
arm bushing.
4. If the clearance still exceeds the allowable limit after replacing the
bushing, replace the tension collar.
Factory spec.
Clearance between
tension collar and
tension arm bushing
Allowable limit
Tension collar O.D. Factory spec.
Tension arm bushing
Factory spec.
I.D.
Brake Lining Wear
1. Measure the brake lining thickness (T) with a depth gauge.
2. If the measurement is less than the allowable limit, replace the
PTO brake.
Factory spec.
Brake lining thickness
(T)
Allowable limit
NOTE
• If the lining is carbonized or soaked with oil, replace the PTO
brake.
7-S6
PTO SYSTEM
W1012635
0.002 to 0.114 mm
0.0001 to 0.0045 in.
0.30 mm
0.0118 in.
19.000 to 19.030 mm
0.7480 to 0.7492 in.
19.032 to 19.114 mm
0.7493 to 0.7525 in.
W1012489
5.7 to 6.3 mm
0.224 to 0.248 in.
4.0 mm
0.157 in.
W1012662
KiSC issued 08, 2007 A