Assembly Of Reservoir To Oildyne Pump-Adapter Assembly; Installation Of Motor Assembly To Oildyne Pump-Adapter Assembly; Installation Of Piper Bracket To Oildyne Hydraulic Pump Assembly; Oildyne Hydraulic Pump Installation - Piper PA-44-180 SEMINOLE Maintenance Manual

A S S E M B LY OF RESERVOIR TO OILDYNE PUMP-ADAPTER ASSEMBLY (Refer to Figure 29-6,
Sheet 2 of 2)
1. Locate the cushion pad and bond it to the bottom surface of the reservoir using Scotch Grip 2210, or
Contact Adhesive B-10161 rubber cement.
2. Position the reservoir seal between the reservoir and the adapter assembly.
3. Locate the O-ring and bolt that secures the reservoir to the pump-adapter assembly and apply a light
coating of Titeseal No. 3 in back of first two bolt threads.
4. Position the O-ring on the bolt, and install it through the reservoir and into the pump-adapter securing
the reservoir.
5. Tighten this bolt to a torque value of 40 - 50 inch pounds.
I N S TA L L ATION OF MOTOR ASSEMBLY TO OILDYNE PUMP-ADAPTER ASSEMBLY (Refer to
Figure 29-6, Sheet 2 of 2)
1. Locate the replacement O-ring and coupling.
2. Place the coupling and O-ring into position between the motor assembly and pump-adapter assembly.
3. Apply light coating of Titeseal No. 3 in back of the first two threads of mounting bolts.
4. Positioning the two units in place, install two each mounting bolts through the flange of the motor
assembly and into the pump-assembly housing.
5. Torque bolts to 15 -20 inch pounds.
INSTALLATION OF PIPER BRACKET TO OILDYNE HYDRAULIC PUMP ASSEMBLY (Refer to
Figure 29-6, Sheet 1 of 2)
1. If bracket was removed from was removed from pump mount, install bracket to Piper pump mount
with four MS24693-S298 screws.
1. Position pump assembly on bracket so that tapped holes in oildyne adapter align with bolt holes on
bracket.
2. Install two AN960-616 washers and two MS20074-06-05 bolts to secure pump assembly to bracket.
3. Safety bolts with MS20995-C41 wire.
INSTALLATION OF OILDYNE HYDRAULIC PUMP (Refer to Figure 29-6, Sheet 1 of 2)
1. Position assembled pump, bracket, and pump mount on pump deck in airplane.
2. Secure pump assembly to deck by installing the three AN3-10 bolts with one MS35489-64 washer
under each bolt head and three No. 5712-45 (Piper P/N 494 192) washers between Piper mount assem-
bly and pump deck.
Before positioning the complete hydraulic pump assembly on
the mounting bracket, ensure that the cushion pad is secured in
place on the reservoir base.
4. Install the UP and DOWN pressure hydraulic lines to pump mount.
5. Connect the three knife connectors that attach the black, blue, and green forward and reverse harness
wires.
6. Install ante-splash cover (Piper P/N 96374-0) by installing the four attaching screws,
7. Install the ABS nose gear cover.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
— NOTE —
2C16
29-11-29
Page 29-21
Added: June 20, 1995