Workshop Manual

14–18 REPAIR STANDARDS
Major Name
Inspection Item
Nominal Assembly
Limit Repair Procedure Comments
Category
of Part Dimension Standard Value
Loose mount Repair Brush height
22 14
Replace
(0.866) (0.551)
Series coil 0.187 resistance value (Ω)20°C (68°F) If coil resistance value
Magnetic
is severely abnormal,
switch
Shant coil 1.31 replace switch. resistance value (Ω)20°C (68°F) O.D.
Dia. 37 Dia. 36.5
Replace armature
Commutator
(1.457) (1.437)
Undercut depth
0.5 – 0.8 0.2
Repair
(0.02 – 0.031) (0.008)
Rear side Dia. 28
6001 D
(armature) (1.102) Replace if rotation is
Ball not smooth or if bearings Front (armature)
Dia. 16
6905 D abnormal sounds are
(0.630)
heard.
Pinion shaft (shaft)
Dia. 16
(0.630)
Unloaded Smooth pinion
Performance characteristics 3500 min
-1
operation without
(24V, 100A or less) noise
Control register, glow plug
Replace if cut wiring or shorts are found
Battery terminals Plates, separator plates, container, etc. Electrolyte turbidity
Electrical
Starter 24V, 7.4 kW (HITACHI 1-81100-342-0)PreheaterBattery
Special order from original manufac- turer; manufacturer’s
specs.