Hartzell HC-D2MV20-3 Series Owner's Manual And Logbook page 103

(32) Attach the hose to the engine with the AN742C12C
clamps, as shown in Figure 3-7.
NOTE: Measure the depth of the hole in the housing,
and measure the same length on the fitting to
make sure that no contact is made between the
fitting and the oil transfer plug.
(33) Install the vernier control 4 inches (101.6 mm) to the right
of the center of the cockpit, just below the dashboard.
(a) The vernier control is part number A-970BLO563
(Gerdes), 3A729-7 (Shakespeare) or A-970-10-0563
(ACS).
(b) The control should go straight forward, through the
3/4 inch (19.05 mm) hole in the fire wall and through
the five-piece Beech fireproof grommet.
NOTE:
(c) Route the control over the generator and use the
AN742D7C clamp to secure the control to the
generator cover.
(d) Route the control through the AN742D7C clamps on
the B-197 Bracket. (Refer to Figure 3-6 and 3-7).
(34) Install the B-3368 check nut and the AN276-6 ball joint on
the vernier control. Refer to Figure 3-6.
CAUTION:
(35) Push the vernier control handle in the cockpit to the
forward or "in" position.
(36) Attach the ball joint to the A-199 link with (2) B-3851-0463
washers and (1) B-3308-4 nut, as shown in Figure 3-6.
INSTALLATION AND REMOVAL
Propeller Owner's Manual
The grommet consists of (1) 112436-6
retainer, (2) 112413-4 ball half, and (2)
112412 split grommet.
THERE MUST BE A MINIMUM OF FIVE
THREADS OF THE VERNIER CONTROL IN
THE AN276-6 BALL JOINT.
140
61-00-40
Rev. 1 May/11
Page 3-39