2003/03/17 Correction to Operation and Maintenance Manual , "Lubricant Viscosities" {7581} Caterpillar


Correction to Operation and Maintenance Manual , "Lubricant Viscosities" {7581}
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2003/03/17 [SEPD0675]
MACHINE ARRANGEMENT
2003/03/17 Correction to Operation and Maintenance Manual , "Lubricant Viscosities" {7581}
Wheel Skidder:
515 (S/N: 4LR1-UP)
525 (S/N: 1DN1-UP)
Operation and Maintenance Manual, SEBU6471, "515 and 525 Wheel Skidder", "Lubricant Viscosities". This module is part of Service Manual, SENR6680, "Volume II".

The information that is listed is incorrect. Replace the existing information with the following information.

Selecting the Viscosity

The proper oil viscosity grade is determined by the minimum outside temperature. This is the temperature when the machine is started and while the machine is operated. In order to determine the proper oil viscosity grade, refer to the "Min" column in the table. This information reflects the coldest ambient temperature condition for starting a cold machine and for operating a cold machine. Refer to the "Max" column in the table in order to select the oil viscosity grade for operating the machine at the highest temperature that is anticipated. Use the highest oil viscosity that is allowed for the ambient temperature when you start the machine.

Machines that are operated continuously should use oils that have the higher oil viscosity in the final drives and in the differentials. The oils that have the higher oil viscosity will maintain the highest possible oil film thickness. Consult your dealer if additional information is needed.

Lubricant Viscosities for Ambient Temperatures

Table 1
Lubricant Viscosities for Ambient Temperatures    
Compartment or System     Oil Type and Classification     Oil Viscosities     °C     °F    
Min Max     Min     Max    
Engine Crankcase     AVSpare Multigrade DEO
API Multigrade CH-4
API Multigrade CG-4
API Multigrade CF-4    
SAE 0W20     -40     10     -40     50    
SAE 0W30 -40     30     -40     86    
SAE 5W30 -30     30     -22     86    
SAE 5W40 -30     40     -22     104    
SAE 10W30 -20     40     -4     104    
SAE 15W40 -15     50     5     122    
Power Shift Transmissions and Winch Gear Case     AVSpare TDTO
AVSpare TO-4
AVSpare TMS    
SAE 0W20 (1)     -40     10     -40     50    
SAE 0W30 (1) -40     20     -40     68    
SAE 5W30 (1) -30     20     -22     68    
SAE 10W -20     10     -4     50    
SAE 30
 (2)
0     35     32     95    
SAE 50
 (2)
10     50     50     122    
TMS (3) -10     35     14     95    
Hydraulic Systems     AVSpare HYDO
AVSpare DEO
AVSpare TDTO
AVSpare MTO
API CH-4
API CG-4
API CF-4
API CF
Commercial TO-4
AVSpare TMS
AVSpare Biodegradable Hydraulic Oil (HEES)    
SAE 0W20     -40     40     -40     104    
SAE 0W30 -40     40     -40     104    
SAE 5W30 -30     40     -22     104    
SAE 5W40 -30     40     -22     104    
SAE 10W -20     40     -4     104    
SAE 30 10     50     50     122    
SAE 10W30 -20     40     -4     104    
SAE 15W40 -15     50     5     122    
AVSpare MTO -25     40     -13     104    
Biodegradable Hydraulic Oil (HEES) (4) -25     43     -13     110    
TMS (3) -15     50     5     122    
Drive Axles
(Differential Gearboxes)    
AVSpare TDTO
Commercial TO-4
AVSpare TMS    
SAE 0W20 (1)     -40     0     -40     32    
SAE 0W30 (1) -40     10     -40     50    
SAE 5W30 (1) -5     10     -31     50    
SAE 10W -25     15     -13     59    
SAE 30 -20     43     -4     110    
SAE 50 -10     50     0     122    
TMS (3) -30     43     -22     110    
( 1 ) First Choice: Oils of full synthetic base stock without viscosity index improvers that meet the performance requirements of the TO-4 specification for the SAE 30 viscosity grade. Typical viscosity grades are SAE 0W20, SAE 0W30, and SAE 5W30. Second Choice: Oils with a TO-4 type additive package and a lubricant viscosity grade of SAE 0W20, SAE 0W30, or of SAE 5W30.
( 2 ) Except for the hydraulic drive winch gear case. Do not use SAE 50 viscosity grade for the hydraulic drive winch gear case. Instead, use SAE 30 viscosity grade for 0°C (32°F) to 43°C (110°F) or TMS for -10°C (14°F) to 50°C (122°F).
( 3 ) TMS Transmission Multi-Season (exceeds the TO-4 specification multigrade requirements).
( 4 ) Commercial Biodegradable Hydraulic Oil (HEES) must meet the AVSpare BF-1 specification.

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