18
820-007
Connecting Rod and Bearing
WARNING
To reduce the risk of serious injury, always follow
the Pressure Relief Procedure Warning on page
4 before continuing.
1.
Remove the pump as described on page 16. Re-
move the four screws (58) and the cover (59). Re-
move the two capscrews (61) and lockwashers (9).
Remove the bearing (63) and the connecting rod
(64), sliding the connecting rod off the crankshaft.
(J). See Fig. 10.
2.
Use a screwdriver to push the retaining spring (55)
aside and remove the pin (57) from the coupling
(56). Remove the coupling from the connecting rod
(64).
3.
Pull the connecting rod (64) out of the bearing
(63). Wipe it clean (don’t use solvent) and inspect
the surfaces of the bearing and the connecting rod
link (K) for wear or damage. If either needs replac-
ing, replace both of them. When installing the rod
and the bearing, coat the surfaces with SAE 10
non–detergent motor oil.
4.
Clean and inspect the crankshaft. (J). Wipe it
clean with a rag; do not use solvent. If the crank-
shaft. is badly worn, replace the drive assembly.
5.
Clean and inspect the connecting rod needle bear-
ing (L). Repack bearing with industrial, heavy–duty,
extreme–pressure, lithium–soap grease.
Fig. 10
64
63
55
56
57
9
61
59
58
J
K
L
0745
Lubricate. See
NOTE below
NOTE: After every 100 hours of operation, or whenev-
er servicing the pump (whichever comes first), fill the
cavity in connecting rod (64) with SAE 10 non–deterg-
ent motor oil.
6.
Assemble the new rod and bearing in the reverse
order of disassembly. Be sure to push the spring
(55) down in place over the ends of the pin (57).
Capacitor
WARNING
To reduce the risk of serious injury, always follow
the Pressure Relief Procedure Warning on page
4 before continuing.
1.
Unplug the sprayer. Remove the cover of the ca-
pacitor (5). See Fig. 11.
2.
Remove the flag connectors from the old capaci-
tor. Connect the flag connectors of the new capaci-
tor and replace the cover.
NOTE: The replacement capacitor includes a new re-
sistor already installed.
Fig. 11
5
Summary of Contents for 820-001
Page 3: ...3 820 007 Notes...