174
Maintenance Standards Table
* Unit for values without unit in the column of inspection item is mm
Unit Part Inspection Item
Standard
Dimensions
Standard
Assembling
Va lu e
Repair
Va lu e
Service
Limit
Remarks
Tractor main body
Transmission
Gear backlash 0.04 – 0.16 0.6
Slide gear-shifter fork clearance 0.2 – 0.4 1.0
Differential/PTO
Differential pinion – pinion shaft clearance 0.1 0.5
Differential pinion-thrust washer thickness 1.2 1.2 0.9
Differential gear-thrust washer thickness 2.0 1.7
Differential gear/differential pinion backlash 0.1 – 0.2 0.4
Ring gear tightening torque N·m {kgf·m}
46.1 – 57.9
{4.7 – 5.9}
Drive pinion preload N {kgf} 196 {20}
Load when
pulled with
string wound
on spline
Drive pinion/ring gear backlash 0.1 – 0.2 0.4
PTO shaft end run-out Less than 0.1 0.3
Gear oil quantity ℓ 20
Front
wheel
Rim run-out 3 5
Wheel rug height
Tire size 23 × 10.50 – 12 4PR
Brake
Brake lining groove depth 0.1 0
Level difference to stator (on lining contact
surface)
0 0.1
Pedal shaft-bush clearance 0.05 – 0.35 1.0
Pedal play 35 – 45
More
than 50
Pedal shaft bush bore Ø25 Ø25.8
Hydraulic lift
Relief valve working pressure MPa {kgf/cm
2
} 9.8 {100}
Arm shaft-bush clearance 0.025 – 0.1 0.5
Hydraulic oil natural settlement (lower link end)
mm/min
30/5 100/5
Engine stop.
Load 350 kg.
Hydraulic oil
60 – 70ºC
Hydraulic cylinder – piston clearance 0.7
Piston rod – Cylinder head clearance 0.3