Zetor MAJOR HS, Operator'S Manual

Page: 99 / 140

Lights adjustment in tractor´s grill check
E609
When checking on test wall, the tractor must stand on a horizontal surface and tires must be inflated to
prescribed pressure. Basic vertical adjustment is 3.5 % with service weight of the tractor. In horizontal
direction, the beams of lights must be parallel with the longitudinal axis of tractor's symmetry.
Lights adjustment in tractor´s grill
I - Distance of test wall from a headlight (5 m)
h - Height of the centre of headlight above the road
Δ
h - Headlight slope (-3.5 %) of the distance of test wall = 17.5 cm
α
- Lifting the line of asymmetric light (15%)
Adjustment is done simultaneously with all screws for both
vertical and horizontal direction of a beam. In adjusted
state all the springs of unadjusted screws must be
preloaded! Each headlight is adjusted separately. Bulb
replacement is done by removing it from the back side of
reflector.
NM13N106
ELECTRIC INSTALLATION
98