120 Service Manual
4039-1XX
Lubrication Specifications
Lubricate only when parts are replaced or as needed, not on a
scheduled basis. Use of lubricants other than those specified can
cause premature failure. Some unauthorized lubricants may
chemically attack polycarbonate parts. Use IBM no.10 oil PN
1280443 (approved equivalents: Mobil DTE27, Shell Tellus 100,
Fuchs Renolin MR30) to lubricate the areas of contact between:
•
Gear no. 2 and its stud on the side plate
•
Gear no. 3 and its stud on the motor bracket
•
Gear no. 4 and its thrust washer
• Gear no. 4 and its stud on the motor bracket
• Gear no. 5 and its stud on the motor bracket
• Gear no. 6 and its stud on the motor bracket
• Gear no. 6 and its thrust washer
• Gear no. 7 and its stud on the rail
• Gear no. 7 and its thrust washer
•
Gear no. 8 and its stud on the rail
•
Gear no. 8 and its thrust washer
•
Gear no. 9 and its stud on the rail
• The metering roller shaft and its bushings on the rail assembly
• The main metering backup roller and its stud and thrust washer
• The D-roller shaft and its bushings on the rail assembly
• The auxiliary metering roller and its stud on the rail, including the
snap-in groove and the snap ridges in the roller hole
•
Gear no. 14 and its stud on the rail
•
Gear no. 13 and its stud on the rail
•
The auxiliary paper feed idler and its stud on the rail
• The prealigner drive idler and its stud on the rail
• The prealigner drive roller and its stud on the rail
• The prealigner backup roller and its shaft and thrust washer
• The fixed-center idler gear in the 500 sheet base and its shaft
• The idler gear in the 500 sheet base and its shaft
Use IBM no. 23 grease (approved equivalent Shell Darina 1) to
lubricate:
