HATZ Diesel 1B 50 - Manual (Page 24)

2) If equipped with an automatic valve lash adjustment, the tappet clear-
ance does not need to be checked (see the chapter 8.2.2 Maintenance plan,
page 49).
3) Exceeding these limit values causes engine damage.
Screw tightening torque
Designation Nm
Oil drain screw 50
4.2 Fuel
Fuel type
All types of diesel fuel that meet the minimum requirements of the following
specifications are suitable:
▪ EN 590 or
▪ BS 2869 A1 / A2 or
▪ ASTM D 975- 1D / 2D
CAUTION
Danger of engine damage from low quality fuel.
The use of fuel that does not meet the specifications can lead to
engine damage.
▪ The use of fuel that does not meet specifications requires
approval by Motorenfabrik HATZ (main plant).
Winter fuel
When outside temperatures drop below 0 °C, use winter fuel or mix in petro-
leum in advance:
Lowest ambient tempera-
ture at start [°C] Percentage of petroleum [%] for
Summer fuel Winter fuel
0 to -10
-10 to -15
-15 to -20
-20 to -30
20
30
50
‑
‑
‑
20
50
4.3 Engine oil
Engine oil
All oil brands that meet at least one of the following specifications are suita-
ble:
▪ ACEA – B2 / E2 or better
▪ API – CD / CE / CF / CF-4 / CG-4 or better
Technical data 1B20, 1B27, 1B30, 1B40, 1B50
24 Operator's Manual 1B20-1B50 HATZ