Bleeding the Trim Pump

[Searay-Bob]

I had to replace my trim lines today. Just wondering if there is a special way of bleeding the lines or just go up and down a few times.:grin:
Thanks
Bob:thumbsup:

 

[alwhite00]

I am curious also, Just wanted to tag along.

LK

 

[CAGE RATTLER]

Air Bleeding Power Trim
System
The power Trim System will purge itself of a small
amount of air by raising and lowering the drive unit
several times. However, if a rebuilt trim cylinder is
being installed (which has not been filled with oil), the
following bleeding procedure should be used to
remove the air from the system.
Bleeding OUT/UP Trim Circuit
1. Fill pump reservoir to proper level as explained
preceding. (Trim cylinder must be compressed).
2. Disconnect OUT/UP hose from front connection
on trim cylinder. If both cylinders were rebuilt, disconnect
hoses from both cylinders.
3. Direct end of trim hose(s) into a container.
4. Run trim pump in the UP direction until a solid, airfree
stream of fluid is expelled from hose(s). Reconnect
hose(s) and tighten securely.
5. Refill trim pump to proper level.
22089
a - OUT/UP Trim Hose
b - Front Connection on Trim Cylinder
Bleeding IN/DOWN Trim Circuit
1. Ensure pump reservoir is filled to proper level.
2. Disconnect IN/DOWN hose from rear connection
on gimbal housing hydraulic connector. If both
cylinders were rebuilt, disconnect hoses from
both sides of hydraulic connector.
3. Plug holes in hydraulic connector, using plug
(22-38609) or suitable device.
4. Direct end of trim hose(s) into container.
5. Run trim pump in the UP direction until trim cylinders
are fully extended.
6. Remove plug(s) from gimbal housing hydraulic
connector and momentarily run trim pump in the
IN/DOWN direction until a solid, air-free stream
of fluid is expelled from rear hole(s) in hydraulic
connector. Reconnect trim hose(s) and tighten
securely.
7. Lower drive unit to the full IN/DOWN position and
refill trim pump to proper level. Run trim system
IN/DOWN and OUT/UP several times and recheck​

fluid level.