Bettis P/N 126858
Revision "F"
Page 6 of 15
3.2.1.1.2
HD and T Series – Remove the pipe plugs from the actuator
hydraulic override cylinder outer and inner end. NOTE: Only
remove the pipe plugs located at the highest points, in the vertical
plane, of the hydraulic override cylinder.
3.2.1.2 Disconnect the pump hose from the reservoir fitting, located close to the reservoir
inner end cap (10-10), and connect the pump motor to the pump hose.
3.2.1.3 Place the M11 pump selector knob in the “Auto” position.
NOTE: The pressure pump should not exceed 10 to 20 psi when force filling the M11 hydraulic
system.
3.2.1.4 Start pumping the hydraulic fluid into the system with the pump motor.
3.2.1.5 Stop the pump motor when hydraulic fluid appears as follows.
3.2.1.5.1
G-Series - At the vacant pipe plug port located in the hydraulic
override end cap.
3.2.1.5.2
HD and T-Series - At both vacant pipe plug port located in the
actuator’s hydraulic override cylinder.
3.2.1.6 Apply pipe dope onto pipe plug threads and install into the vacant pipe plug port as
follows.
3.2.1.6.1
G-Series - At the vacant pipe plug port located in the hydraulic
override end cap.
3.2.1.6.2
HD and T-Series - At both vacant pipe plug ports located in the
actuator’s hydraulic override cylinder.
3.2.1.7 Disconnect the pump motor from the M11 pump hose.
3.2.1.8 Connect the M11 pump hose to the fitting on the reservoir outer end cap (10-10).
3.2.1.9 Remove the breather (10-140) from the top of the reservoir inner end cap (10-10)
3.2.1.10 Fill reservoir to 1-1/2 inches from top of reservoir end cap (10-10). Note: Add fluid
to the reservoir through the open port left vacant in step 3.2.1.9.
3.2.1.11 Apply pipe dope to breather threads and install breather (10-140) into port vacated
in step 3.2.1.9.
3.2.2
REFILLING METHOD NUMBER 2. - Refilling the M11 Manual Hydraulic Override System
without using a pump motor.
3.2.2.1 Remove breather (10-140) from the top of the reservoir end cap (10-10).
