HANGCHA Mini Range CDD12-A2MJ-SZ Operation And Maintenance Manual page 43

Motor
Service
Service required
item
Clean the foreign body on the motor
Clean or replace the bearing
Check the
commutator
spring is normal
Whether the connection is correct
and firm.
Brush carbon
commutator segment groove and
commutator surface.
Driving system
Service
Service required
item
Check for noise
Check for oil leakage
Add lubricating grease
Bearing lubrication
Check if the steering flexible
Check for noise
Control handle swivel angle
Wheel（Drive wheel, auxiliary wheel, load wheel）
Service
Service required
item
Check for abrasion or cracks
Check for
re-tighten.
Check if there is foreign body like
rope on the wheel
carbon brush and
for worn, whether
powder on
bolt fastening and
Tool
D
〇
Tool
D
〇 〇
〇 〇
〇
〇 〇
〇 〇
〇 〇
Tool D
〇 〇
Eyeballing
〇
〇 〇
39
W M T
〇 〇
〇 〇or×
〇 〇
〇
W M T
〇 〇
〇 〇
〇 〇
〇 〇
〇 〇
〇 〇
W M T
〇 〇
〇 〇
〇 〇
S
〇
〇
〇or×
〇
〇
S
〇
〇
Two
years
〇
〇
〇
〇
S
〇
〇
〇