IBM System/32 Introduction And Maintenance Manual page 363

9.5.0 PREVENTIVE MAINTENANCE
Perform preventive maintenance for the printer on
any 01 (unscheduled) call if a check of the
incident reports shows that more than a year has
passed since the last PM.
Unit
Operation
Ribbon drive Replace lines.
Lubricate feed roll shafts.
Clean ink from ribbon guides.
CAUTION
Excess oil will bleed to the ribbon and cause light and dark
printing.
Print head Clean wire guide tip and side grooves.
Check printing for variations in density.
Oil felt.
Lubricate support bars.
Forms tractor unit Lubricate shafts.
Print emitter Lubricate:
Pickup pads.
Contact points between emitter board and side frame (7).
Horizontal fine adjustment threads and shaft slides.
Carrier drive
Lubricate belt tensioner guide shaft
Forms feed drive Lubricate idler gear stud.
Platen Lubricate bushings.
Power supply Check fan operation.
Lubricant Notes
Procedure 9.2.44.
IBM No. 23 Light film.
Variations may indicate print wire wear.
IBM No.6 Procedure 9.2.37.
IBM No.6 Drop.
IBM No. 23 Light film.
IBM No. 23 Light film.
IBM No. 23 Light film.
IBM No. 23 Light film.
IBM No. 23 Light film.
IBM No.6 Drop
IBM No. 23 Light film.
Serial Printer 9-55