Agrison HP ULTRA Series Operation Manual page 66

2.
The lubricated face of ZHB type injection pump shall be frequently checked. The
lubricating oil must be added up to the position of scribed line in time in case of
shortage. Lubricating oil must be replaced once when engine has worked for 200
hours. The grade of lubricating oil used for injection pump must be same with that
used for diesel engine.
4.2.2.21 Exhaust of brake system
Brake system tubing is being demolished, or check the ride (synchronization), the brake
system must exhaust.
Exhaust should follow these steps:
First, fill up the brake oil tank, and slowly depresses the left brake pedal to the end so that the
establishment of brake pressure.
Loose the bleeder plug on the top of brake housing half a lap to allow air to spill .Repeat the
above-mentioned actions until there is no air bubble emitting, fastening the bleeder plug.
Further step on brake pedal to establish oil pressure, when the pedal reaches the normal
travel, the oil pressure fully established (up to the required pressure).
Clean the oil on the drive shaft housing to prevent the paint off.
According to the above-mentioned steps, exhaust the air on the other side of the brake.
Finally, fill up the brake fluid to specified level.
Warning: If the air is not exhausted, the brake system may act up
4.3 Tractor chassis adjustments
4.3.1 Brake adjustment
Brake adjustment is shown as in the figure 4-2.
Maintenance Instructions
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