2. Water supply system
a
．
Open the main valve under the water tank firstly, then open the water pump
switch in the rear, and water pump will work;
b
．
Open the valve according when adding water to the agitating tank or
swashing the feeding funnel;
c
．
Connects with the squirt gun directly when washing is needed ;
d
．
Turn off the motor switch first after washing, and then close the main valve.
Water pump
switch
Squirt gun
196
OWNER
’
S MANUAL
JAC HEAVY DUTY TRUCK
Ⅲ
. Maintenance
1
．
Check and maintenance for the hydraulic pump:
a
．
Change the hydraulic oil and filter after the new truck and agitating tank runs for 200 working hours, and change the
lubrication oil after 500 working hours
b
．
Change it after every 2,000 working hours (Notice: change the filter at the same time), but it has to be change once a
year;
c
．
The high quality hydraulic oil is required, before fill to the tank, it has to be got through 5 micron precision filter;
d
．
The different brand or different lubrication oil can be mixed, drain off the previous oil before the filling.
e
．
Hydraulic oil viscosities:
Select VG68 wearing resistant hydraulic oil in hot weather area
Select VG46 wearing resistant hydraulic oil in warm area
Select VG32 or VG46 wearing resistant hydraulic oil in cold area;
It's used VG46 wearing resistant hydraulic oil before the vehicle departure from factory.
f
．
Lubrication oil selection
Reducer adopts 85W/90 heavy duty vehicle gear oil (Grade: GL-5).
Trinity reducer uses the oil as 15W/30.
2
．
When the hydraulic pump or motor is failed, change it in time for repair, and pay attention to the following points when
assembly the new hydraulic pump:
a
．
Remove the oil pipe when removing the hydraulic pump and motor, and seal all the oil ports of hydraulic pump, motor
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