Checking The Adjustment Of The Front Grill Headlights; Adjusting The Front Grill Headlights - Zetor CRYSTAL Series Operator's Manual

Checking the adjustment of the front grill headlights

During a check on a test wall the tractor must stand on a level surface and the tyres must be inflated to the
prescribed pressure. The basic vertical setting is 3.5% at the shipping weight of the tractor.In the horizontal
direction the light beams must be parallel with the longitudinal axis of symmetry of the tractor.
l - distance of the test wall from the headlight (5 m)
h - height of the headlight centre above the road surface
- headlight inclination (-3.5 %) to the distance of the test wall = 17.5
h
cm
- raising of the outline of an asymmetrical headlight (15%)

Adjusting the front grill headlights

The adjustment is performed simultaneously with all the
screws for the vertical and horizontal direction of the
beam. In the adjusted condition all the springs of non-
adjusting screws must be pre-tensioned. Each headlight is
adjusted separately. The lamps are replaced by removing
from the rear side of the reflector.
ELECTRIC INSTALLATION
F_02_145
136
C15N134