14
ing the crank pin. Insert the connecting
rod, with the piston attached, into the
cylinder. Push the piston up the cylinder
until the bearing in the connection rod
aligns with the threaded hole for the crank
pin. Insert the Crank Pin through the bear-
ing and start the threads into the Crank-
shaft by hand. These are
LEFT-HAND
THREADS
. Tighten the crank pin using
the 7/8" deep well socket. Torque to 360
inch/pounds (40.6 Nm).
(Fig. 10)
Rotate crankshaft with con-
necting rod, piston and crankpin until the
crankpin is in the 12:00 o'clock position
.
If
grease has been completely removed add
2.75 oz or 81.32 ml of Rhino
®
Pro Series
Grease or until level with the bottom of
the crankpin head.
(See Caution: Do not
overfill grease on page 12)
Close the
crankcase by placing the crankcase cover
o-ring seal onto the crankcase cover. Place
the crankcase cover onto the post driver
body, start the thread, and twist to the
right (clockwise) with your hand until it is
secure against the post driver body.
(See
Caution: Do Not Overtighten on page
12)
Lubricate the cylinder and hammer with
Rhino approved grease (p/n 300500.)
Insert the hammer into the cylinder, taking
note of the small end to the anvil as shown
in
Fig. 13
. Push the hammer into the
cylinder making room to insert the anvil
o-ring retainer. Apply grease to the anvil
o-ring retainer and place the small end into
the cylinder. The grease should hold it in
place.
Lubricate with grease and assemble the
large retainer and the two (2) large retainer
o-ring seals in the order shown in
Fig. 16
and assemble into the anvil o-ring cup.
Insert o-ring into anvil o-ring cup, then
insert large retainer, followed by inserting
the other o-ring.
Clean and inspect the chuck tube (p/n
300156) and lower driver body (p/n
300031) for any damage or excessive
wear. Replace if necessary. Lubricate
chuck tube with grease. Lubricate the
anvil with grease. Insert the anvil with
new anvil o-ring into chuck tube, mak-
ing certain that the anvil is seated into the
chuck tube. Insert the anvil o-ring cup into
the chuck tube. Replace the chuck tube
o-ring (p/n 300608) and insert the chuck
tube o-ring onto the chuck tube. It should
Fig. 16
-
Insert O-ring into Anvil O-ring cup, then insert Large Retainer, followed by
inserting the other O-ring.
Anvil Cup
O-ring
Large Retainer
O-ring
Ranch Pro
™
Service Instructions... continued
