Hartzell HC-D2MV20-3 Series Owner's Manual And Logbook page 101

(8) Remove the fuel pump from the pad on the engine. Cover
the opening of the fuel lines with line caps.
NOTE: Do not stuff material in the lines.
(9) Remove the adapter (Continental P/N 40722) and gear
shaft (Continental P/N 40724).
(10) Remove the gear shaft from the adapter.
CAUTION:
(11) Remove the seal (Continental P/N 25102) from the
adapter.
(12) Modify the shaft gear adapter (Continental P/N 40722) by
drilling two additional 1/8 inch (3.17 mm) holes through
and one 3/16 inch (4.76 mm) hole, 1.750 inch (44.45 mm)
deep. Refer to Figure 3-4.
NOTE: Two holes are already drilled in the adapter by
Continental.
(13) After the drilling operation, thoroughly clean the adapter to
remove chips and dirt.
(14) Use an AN742D4C clamp to secure the cabin heater
control line to the fire wall.
(15) Bend the hydraulic brake reservoir supply line to clear the
governor "T" drive-fuel pump assembly.
(16) Alter the cowl flap mechanism for clearance.
(a) While the cowl flap is closed, remove the bolt on
the right side of the engine that holds the crescent-
shaped control arm to the shaft.
(b) Looking at the left side of the engine, turn the pear-
shaped control arm clockwise 75 degrees.
(c) Mark the position of the new bolt hole on the right side
of the engine.
(d) Remove the shaft and drill a new hole.
(e) Reassemble the cowl flap mechanism.
(17) Relocate the fuel pump drain line and bend the fuel pump
air blast tube as necessary.
(18) Remove the fuel lines leading to the fire wall and
carburetor.
INSTALLATION AND REMOVAL
Propeller Owner's Manual
THE SEAL (CONTINENTAL P/N 25102) IS
NOT USED WHEN USING THE "T" DRIVE.
140
61-00-40
Page 3-37
Nov/02