Engine Idling; Engine Idling In General; Run-In - Zetor PRIMO HT 20 NC Operator's Manual

Engine Idling

Engine Idling in General

After starting the engine, let the engine idle for 5 to 10 minutes to get the oil to all its parts.
NOTE
If the engine is loaded immediately after starting, it may stop and get damaged. First, let the

engine idle.
Failure to idle the engine may result in:

- Hydraulic pump seizure
- Hydraulic system failure.
Warning:
Make sure the parking brake is applied when the engine is idling.

Never let the engine idle in a poorly ventilated area. This can cause carbon monoxide

poisoning.
The hydraulic oil in this vehicle is also used as a transmission fluid.
If the winter temperatures are low, the oil cools down, its viscosity rises. The hydraulic pump cannot suck in
the oil, which causes a malfunction.
In winter, start idling the engine according to the following instructions:
Temperature
0 °C or higher
(32 °F or higher)
0 ~ -10 °C
(32 ° F ~ -50 ° F)
-10 ~ -20 °C
(-50 °F ~ -68 °F)
-20 °C or less
(-68 °F or less)

Run-in

During the first 50 hours of use of the machine, follow the instructions below:
1. Eliminate sudden start and sudden stop.
2. Avoid driving at excessive speed and excessive load.
3. Only drive the tractor if the engine has warmed up sufficiently.
4. Do not idle the engine at maximum speed.
5. After 50 hours of operation, check all parts and liquids.
6. To refill and replace engine oil, see Maintenance chapter.
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Idling time
At least 10 min
10 ~ 20 min
20 ~ 30 min
At least 30 min
OPERATION