Vanderblog » Maintenance

Maintenance

Posted August 30, 2010 by Paul Moxon, Moderator 3,586 views

This page suggests routine maintenance for common Vandercook models. Most information is applicable to other brands of proof presses. Read the operator manual (available from NA Graphics) and the Glossary on this site. For real world proof press maintenance instruction see Workshop page. To comment or suggest revisions please use the contact form.

Models

SP15, SP20, SP25

Wipe bed bearers, cylinder bearers, and under rails with a slightly oiled rag. Use solvent to remove grime as needed.
Wipe press bed with WD-40.
Oil cylinder eccentrics at base of hand crank and push rod.
Remove dust buildup on inside carriage side plate with compressed air.
Note serial number before installing trip springs and consult the manual. For SP15 see Sheet 287-A, for SP20 see Sheet 245-A.
Lubricate worm gear and shaft on far side of oscillating tube with Vaseline.
Check tightness of form roller end screw and presence of its interior set screw and dowel.
Check fit of gear on form roller core. A Woodruff key should be present. Tighten set screw.
Clean excessive grime from cylinder gears and racks, and form roller gear and rack. Oiling is not necessary.
Check condition of the four Delrin trip rollers (X-21119) on outer ends of bed.
SP25 power carriage: clean contacts (wheels) on micro switches.

Universal I, III

Wipe bed bearers, cylinder bearers, under rails, trip cam/wedges and cam follower with a slightly oiled rag. Use solvent to remove grime as needed.
Wipe press bed with WD-40.
Oil cylinder eccentrics at oil holes on carriage covers
Lubricate worm gear and shaft on far side of oscillating tube with Vaseline.
Check tightness of form roller end screw and presence of its interior set screw and dowel.
Check fit of gear on form roller core. A Woodruff key should be present. Tighten set screw.
Clean excessive grime from cylinder gears and racks, and form roller gear and rack. Oiling is not necessary.
Check tightness of removable gripper opener cam (if equipped).
Power carriage: clean wheels on micro switches.

No.4, 215

Wipe bed bearers, cylinder bearers, under rails, trip cam/wedges, cam follower and safety bar with a slightly oiled rag. Use solvent to remove grime as needed.
Wipe press bed with WD-40.
Oil bearing blocks on form roller bottom frame.
Lubricate worm gear and shaft on far side of oscillating tube with Vaseline.
Check oil level on ink motor speed reducer.
Check tightness of set screws on form roller collars (MR-112)
Check wear of form roller clutch pins (MR-110) and form roller clutch trip plate (MB-104). Should cause clutch block and gear to separate at feed board and engage during print stroke.
Clean excessive grime from cylinder gears and racks, and form rollers gears and rack. Oiling is not necessary.
Check tightness of print/trip lever pivot bolt
Replace worn brass form roller bearing blocks with steel blocks and Nyliners.

No.3

Wipe bed bearers, cylinder bearers, under rails, trip cam/wedges, cam follower and safety bar with a slightly oiled rag. Use solvent to remove grime as needed.
Wipe press bed with WD-40.
Oil bearing blocks on form roller bottom frame.
Lubricate worm gear and shaft on far side of oscillating tube with Vaseline.
Check fit of gears on form roller cores. A Woodruff key should be present. Tighten set screws.
Clean excessive grime from cylinder gears and racks, and form rollers gears and rack. Oiling is not necessary.
Check tightness of print/trip lever pivot bolt
Replace brass form roller bearing blocks with steel blocks and Nyliners.

219 OS, 219 NS

Wipe bed bearers, cylinder bearers, under rails, trip cam/wedges, cam follower and safety bar with a slightly oiled rag. Use solvent to remove grime as needed.
Wipe press bed with WD-40.
Oil bearing blocks on form roller bottom frame.
Lubricate worm gear and shaft on far side of oscillating tube with Vaseline.
Check oil level on ink motor speed reducer.
Check fit of gears on form roller cores. A Woodruff key should be present. Tighten set screws.
Clean excessive grime from cylinder gears and racks, and form rollers gears and rack. Oiling is not necessary.
Power carriage: clean wheels on micro switches.
Replace worn brass form roller bearing blocks with steel blocks and Nyliners.

15-21

Wipe bed bearers, cylinder bearers, under rails, trip cam/wedges and cam follower with a slightly oiled rag. Use solvent to remove grime as needed.
Wipe press bed with WD-40.
Oil cylinder eccentrics at oil holes on carriage covers
Lubricate worm gear and shaft on far side of oscillating tube with Vaseline.
Check fit of gears on form roller cores. A Woodruff key should be present. Tighten set screw.
Clean excessive grime from cylinder gears and racks, and form roller gear and rack. Oiling is not necessary.
Check tightness of removable gripper opener cam.
Replace brass form roller bearing blocks with steel blocks and Nyliners

320, 325, 25-24

Wipe bed bearers, cylinder bearers, under rails, trip cam/wedges, cam follower and safety bar with a slightly oiled rag. Use solvent to remove grime as needed.
Wipe press bed with WD-40.
Oil bearing blocks on form roller bottom frame.
Lubricate worm gear and shaft on far side of oscillating tube with Vaseline.
Check fit of gears on form roller cores. A Woodruff key should be present. Tighten set screws.
Clean excessive grime from cylinder gears and racks, and form rollers gears and rack. Oiling is not necessary.
Replace brass form roller bearing blocks with steel blocks and Nyliners.

Acknowledgments
The following individuals have helped improve this table: Martha Chiplis, Terrence Chouinard, Eric Holub, Fritz Klinke, Charles Krause, Bob Oatman.

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