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3-5. Lubrication
a. Counterweight and Cam Wick (Figure 3-4)
1. Gain access to counterweight and cam wick by performing steps 1 through 4 of paragraph
5-26.
2. Lubricate counterweight.
(a) Using serrated, long nose pliers, pull out two oil port plugs (1).
(b) Add one drop of SAE 20 oil to each port.
(c) Install oil port plugs (1).
3. Lubricate cam wick.
(a) Check for presence of oil by pressing a thin, flat tip object into wick (2) where
shown and inspecting tip for an oil film.
(b) If lubrication is required, slowly add SAE 20 (or equivalent) oil until wick (2) is
moist on top surface. Inspect and reoil daily until oil is no longer being absorbed.
(c) Check action of leaf spring (3). Be sure that cam wick (2) stays in contact with cam
(4) through one revolution of cam. If there is a problem, remove cam wick per para
graph 5-26a and inspect. If damaged or worn, replace it. Install original or re
placement per paragraph 5-26b.
4. Restore printer to normal operating configuration by performing steps 10 through 13 of
paragraph 5-26b.
b. Self-Aligning Cam Followers, P6080 Only (Figure 3-5)
1. Remove counterweight per paragraph 5-26a.
2. Clean cam follower yoke (1) with solvent and lubricate with SAE 20 oil.
3. Install follower yoke and counterweight per paragraph 5-26b steps 1 through 6.
Use screwdriver exactly as directed or damage to hammer coil is possible.
4. Place heavy shanked flat blade screwdriver between magnet block (2) and right bearing
block (3) and pry to left as shown until follower yoke (4) clears pin (5). Lift out cam fol
lower yoke (4).
5. Clean cam follower yoke (4) with solvent and lubricate with SAE 20 oil.
6. Replace cam follower yoke (4) on pin (5) using screwdriver as described in step 4 above.
7. Inspect cam follower yokes (1 and 4) for proper seating and freedom to pivot.
8. Perform steps 7 through 13 of paragraph 5-26b.
P6040/P6080 Preventive Maintenance
CAUTION
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3-9
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