Agrison HP ULTRA Series Operation Manual page 61

4.2.2 Technical maintenance operation
4.2.2.1 Battery maintenance
This series tractors use maintenance free battery, usually does not require special
maintenance. Observed hydrometer view hole, sufficient electricity for the green, gray for the
electricity shortage, no electricity for the black. The batteries are in need of additional charge when
the view hole shows the gray; the batteries need to be replaced when the view hole shows the
black.
Warning:
1. When charged, the battery should be away from open flame and indoor air should
be kept unobstructed. After end of charge, the power supply should be cut off
before disconnected from terminals, to prevent striking a flame and causing a fire
or explosion;
2. The battery should be stored in a clean, dry and ventilated warehouse between 0℃
and 40℃. The battery should be handled with care and kept upright
3. The battery terminals and power supply wire joints should be connected firmly to
prevent fusing terminal when starting. The Vaseline should be applied to
connection terminals to protect from oxidation etching;
4. External terminals of battery should be kept clean. The exhaust hole on battery
should be inspected regularly to make it unobstructed;
5. The charge mark on battery should be inspected regularly. The battery should be
charged when necessary.
4.2.2.2 Inspection and maintenance of brake oil tank
The brake oil tank is on the right side of hood bracket. Brake fluid oil level should be higher
(10~15) mm than the middle convex plate, when less than this value should identify the causes of
Brake fluid spills and to exclude, and then add Brake fluid.
Note:
1. The correct brake fluid oil level is vital to braking system to normal operation;
2. Hydraulic brake must be synthetic oil.
4.2.2.3 Inspection and maintenance of steering oil tank
The steering oil tank is on the engine. Open the tank cover and observe oil level; if the oil is
not enough, inspect and find out the cause of oil leakage, and then inject oil. The steering cylinder,
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Maintenance Instructions
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