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IBM 4614 Maintenance Manual page 3

Impact printer

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2 Lubrication
Lubrication is extremely important for preserving the original performance of the printer over a long period
of time.
2-1 Type of oil
The type of oil used has a major influence on the performance and durability of the printer. You should pay
particular attention to the cold temperature properties of the oil. We recommend use of the grease and lubrica-
tion oils listed below for this printer.
2-2 Lubrication method
When lubricating during disassembly or assembly operations, be sure to wash and clean the equipment well
prior to lubrication to remove dirt and dust.
Lubricate the equipment at regular intervals of six months or after every 1 million lines. Be sure to lubricate
equipment after disassembling or replacing parts when oil has been removed by cleaning.
2-3 Lubrication locations
Refer to figure 4-1 and 4-2.
1
Contact surfaces between casette ratchet and gear angle
2
Contact surfaces between gear 12 49 0.5 and gear shaft (A)
3
Contact surfaces between gear 40 0.5 and gear shaft (B)
4
Contact surfaces between gear 18 72 0.5 and gear shaft (C)
5
Contact surfaces between gear 16 48 0.5 and gear shaft (D)
6
Contact surfaces between carriage stay (2) and carriage
7
Contact surfaces between PF roller and PF roller bearing
8
Contact surfaces between holder roller and holder roller bearing
9
Contact points between gear 40 0.5 and gear 18 17 0.5
0
Contact points between gear 28 0.5 and gear 12 49 0.5
A
Contact points between gear 12 49 0.5 and gear 16 48 0.5
B
Cog surfaces of gear 16 48 0.5
C
Cross section of drive shaft grooves
D
Contact points of holder roller and holder roller spring
E
Contact surfaces between drive shaft and drive shaft bearing
F
Contact surfaces between carriage stay (1) and CR bearing
G
Contact surfaces between half nut and CR bearing
H
Contact surfaces between bavel gear 12 0.5 and fram R
Note:When lubricating in item 14 (contact points of holder roller and holder roller spring), be careful not to get
grease on rubber parts.
Type of oil
Product name
Molykote EM-50L
Grease
FLOIL GB-100
Lubricant
Mobil 1
Lubrication locations
Manufacturer
Dow Corning Corp.
Kanto Chemicals Co., Ltd.
Mobil Oil Co., Ltd
4-4
Type of oil
Molykote EM-50L
Molykote EM-50L
Molykote EM-50L
Molykote EM-50L
Molykote EM-50L
Molykote EM-50L
Molykote EM-50L
Molykote EM-50L
Molykote EM-50L
Molykote EM-50L
Molykote EM-50L
Molykote EM-50L
FLOIL GB-100
FLOIL GB-100
Mobil 1
Mobil 1
Mobil 1
Molykote EM-50L

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