66
Roller, roller shaft and
its welded part crack or
damage condition.
○
○
○
○
Safety device and attachment periodical maintenance schedule
Check
item
Service
required
Tools
Daily
(8 hrs)
One and a
half Monthly
(250hrs)
3months
(500hrs)
Semi-annual
(1000hrs)
Annual
(2000hrs)
Overhead
guard and
load
bracket
If firmly installed
Test
hammer
○
○
○
○
○
Check
deformation,
crack
and
damage.
○
○
○
○
○
Rearview
mirror
Dirt and damage
condition
○
○
○
○
○
Rear-view
condition
○
○
○
○
○
Seat
Check
if
bolt
damage
or
loosen
○
○
Truck
body
If chassis and
beam damage or
crack
○
If rivet or bolt
loosen
○
Add
lubricate
grease or
change oil
Check
chassis
lubrication
condition
after
clean
○
○
○
○
Check oil in the
oil tank
○
Operator
presence
system
Working
condition
○
○
○
○
○
2. Torque Specifications
Unit
：
N
·
m
Bolt‘s diameter
mm
Grade
4.6
5.6
6.8
8.8
6
4
～
5
5
～
7
7
～
9
9
～
12
8
10
～
12
12
～
15
17
～
23
22
～
30
10
20
～
25
25
～
32
33
～
45
45
～
59
