NMC-WOLLARD MB-4 200-DF, Operation, Maintenance And Parts Manual

Page: 296 / 321

Oil Recommendation
15
4
DPSG,YZ07927,28 –19–12MAY99–1/1
OIL TEMPERATURE WARNING SIGNAL
•
If the oil temperature gauge, indicating the converter
oil-out temperature, rises to 115
°
C (230
°
F) or the
transmission oil temperature warning light comes on,
stop the vehicle immediately. Shift to neutral and run
the engine at 1000—1200 rpm.
IMPORTANT: Do not stop the engine when the
transmission is overheating if the
cooling system is known to be in
working order.
•
The transmission oil temperature should soon lower
to the engine water temperature, or if an air-to-oil
exchanger is used, the temperature should soon
lower to ambient air temperature across the heat
exchanger. If the temperature does not lower,
trouble is indicated.
•
Correct overheating problem before the vehicle is
operated again.
DPSG,YZ07927,27 –19–12MAY99–1/1
OIL ANALYSIS
Oil analysis is best used by sampling at regular
intervals to establish a base line analysis for the oil
and operation conditions present. Changes from this
base line may indicate unusual wear.
IMPORTANT: Change the oil and filter if an
analysis of the used transmission oil
indicates any of the following limits
are exceeded.
•
Glycol (Antifreeze), must not exceed 0% by volume.
•
Water, must not exceed 0.05% by volume.
•
Viscosity increase at 38
°
C (100
°
F), not more than
40% over new oil value.
•
Total Acid Number (TAN) per ASTMD664, limit of
3.0 over new lubricant value.
CTM195 (28JUL99)
15-4
2000 Series Transmission
072899
PN=38