Hitachi DH 50MRY Technical Data And Service Manual page 23

STANDARD REPAIR TIME (UNIT) SCHEDULES
Variable
MODEL
Fixed
DH 50MR
General assembly
10 20
Work Flow
Handle
(A).(B) Set
Switch (B)
Cord
Cord Armor
Tail Cover
Hood
Crank Cover
Front Cover
Front Cap
Oil Seal
Grip
Urethane
Needle
Ring
Holder
Ball Bearing
(6008CM)
Sleeve
Retainer
Damper
Retainer
Sleeve
Second
Hammer
Damper
Lever Shaft
Lever Holder
Change
Lever
-20-
30 40
Control
Circuit
Back Cover
Striker
Piston
Piston Pin
Connecting
Rod
50 60
Housing
Ass'y
Stator Ass'y
Gear Cover
Needle
Bearing
Armature
Ass'y
Ball Bearing
(6202DD)
Ball Bearing
(6201VV)
Crank Shaft Crank Case
Ball Bearing
(6204DD)
First Gear
Second
Pinion
Slip Clutch
Ass'y
Cylinder
Lock Sleeve
Spring Holder
(B)
Clutch
Bevel Gear
Cylinder
Case