Page 1412 of 1833

SERVICE HOSES
Be certain that the service hoses display the markings described
(colored hose with black stripe). Be certain that all hoses include
positive shut off devices (either manual or automatic) near the end
of the hoses opposite the manifold gauge.
SERVICE COUPLERS
Never attempt to connect HFC-134a (R-134a) service couplers to
an CFC-12 (R-12) A/C system. Although the HFC-134a (R-134a)
couplers will not secure on to the CFC-12 (R-12) system, CFC-12
(R-12) refrigerant and lubricant will be discharged into the HFC-
134a (R-134a) coupler, causing contamination.
Shut off valve rotationA/C service valve
Clockwise Open
Counterclockwise Close
REFRIGERANT WEIGHT SCALE
If the scale allows electronic control of the flow of refrigerant
through the scale, be certain that the hose fitting size is 1/2 ²-16
ACME, and that no refrigerant other than HFC-134a (R-134a)
(along with only specified lubricant) has been used with the scale.
CHARGING CYLINDER
The charging cylinder is not recommended because refrigerant
may be vented into the air from the top valve of the cylinder when
filling the cylinder with refrigerant. Additionally, the accuracy of the
cylinder is generally less than that of an electronic scale or of qual-
ity recycle/recharge equipment.
RHA272D
RHA273D
RHA274D
PREPARATION
Precautions for Service Equipment (Cont'd)
HA-15
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        Page 1540 of 1833

Bulb Replacement
The headlamp is a semi-sealed beam type which uses a replacable
halogen bulb. The bulb can be replaced from the engine compart-
ment side without removing the headlamp body.
IGrasp only the plastic base when handling the bulb. Never
touch the glass envelope.
1. Disconnect the battery cable.
2. Disconnect the harness connector from the back side of the bulb.
3. Pull off the rubber cap.
4. Press end of the retaining pin together to release bulb.
5. Remove the headlamp bulb. Do not shake or rotate the bulb when removing it.
6. Install the new bulb in reverse order of removal.
CAUTION:
I Do not leave headlamp reflector without bulb for a long
period of time as dust, moisture, smoke, etc. may enter the
headlamp body and affect the performance of the head-
lamp. Thus, the headlamp bulb should not be removed
from the headlamp reflector until just before a replacement
bulb is to be installed.
Aiming Adjustment
When performing headlamp aiming adjustment, use an aiming
machine, aiming wall screen or headlamp tester. For operating
instructions, of any aimer, it should be in good repair, calibrated and
used according to respective operation manuals supplied with the
unit.
For details, refer to the regulations in your own country.
Before performing aiming adjustment, check the following:
a. Keep all tires inflated to correct pressures.
b. Place vehicle and tester on one and same flat surface.
c. See that there is noload in vehicle other than coolant,
engine oil filled up to correct level, full fuel tank and the
driver (or equivalent weight placed in driver's position).
CAUTION:
Be sure aiming switch is set to ª0º when performing aiming
adjustment on vehicles equipped with headlamp aiming con-
trol.
NEL623
SEL984W
HEADLAMP
EL-47
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        Page 1550 of 1833

Front Fog Lamp Aiming Adjustment
When performing fog lamp aiming adjustment, use an aiming
machine, aiming wall screen or headlamp tester. The aimer should
be in good operational condition, calibrated and used according to
the relevant operation manuals supplied with the unit.
If an aimer is not available, aiming adjustment can be done as fol-
lows:
For details, refer to the regulations in your own country.
CAUTION:
IKeep all tires inflated to correct pressures.
I Place vehicle and tester on one and the same flat surface.
I Ensure that there is no-load in the vehicle other than
coolant, engine oil (filled up to correct level), full fuel tank
and the driver (or equivalent weight placed in driver's posi-
tion).
For details of front fog lamp aiming adjustment, refer to ªAiming
Adjustmentº, EL-47.
Check the distance between the vehicle and the ground illumina-
tion point of the main axis of the fog lamp beam. Keep the distance
to approximately 40 m (131 ft).
NEL331
EXTERIOR LAMP
EL-57
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