Paccar BRADEN HP125B, Инструкция по установке, обслуживанию и ремонту

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Maximum cold weather start-up viscosity should not ex-
ceed 5000 SUS with a pour point of at least 20°F (11°C)
lower than the minimum expected temperature.
Under continuous operating conditions the temperature of
the oil at any point in the system should not exceed 180°F
(82°C). 120°-140°F (49°-60°C) is generally considered
optimum.
In general terms; for continuous operation at ambient
temperatures 50°-110°F (10°-43°C), use SAE 20W; for
continuous operation at 10°-90°F (-12°-32°C), use SAE
10W; and for applications at ambient temperatures below
10°F (-12°C), contact the PACCAR Winch Division Prod-
uct Support Department. NOTE: The use of multi-viscosity
oils is generally not recommended.
10. Maximum air pressure of 130 psi for clutch and brake
air cylinders.