Bumper Boy Ultra II Operation And Maintenance - page 21
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If the sound still does not work, press the sound key
and check to see if the “Low Battery” warning light
comes on at the receiver. When the receiver detects a
low battery condition, it will turn off the sound system.
Recharge the receiver battery.
If the sound still does not work call Bumper Boy
Customer Service at 1-800-729-3822
.
Servo operates, but does not fire
consistently
Complete these steps only after following procedures for
Unloading a Loaded Launcher” (page 33).
Lubricate the Firing Assembly See page 35,
“Launcher Care”.
Check for free movement of the lever arm by
squeezing the brass lever arm pin against the firing
assembly. If it does not move easily in and out of the
bracket holding it to the firing assembly loosen the
lever bolt and nut. The lever bolt should turn freely
within the bracket but should not be move noticeably
up and down.
Check the launcher wiring harness and receiver
connector. If the connector is loose, secure it in its
connector. If the harness is damaged call Bumper
Boy Customer Service at 1-800-729-3822.
Check servo arm alignment. If it does not re-align as
shown in Figure 9 replace the servo.
Conduct the In House Test. If the test is still not
consistently successful call Bumper Boy Customer
Service at 1-800-729-3822.
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Firing pin will not cock
Complete these steps only after following procedures for
“Unloading a Loaded Launcher” (page 33).
Lever cannot return because the servo arm is
touching the lever pin and is not returning to the
correct alignment. Replace the servo.
Check for free movement of the lever arm by
squeezing the brass lever arm pin against the
firing assembly. If it does not move easily in and out
of the bracket holding it to the firing assembly
loosen the lever bolt and nut. The lever bolt should
turn freely within the bracket but should not move
noticeably up and down.
Lubricate the Firing Assembly See page 35,
“Launcher Care”.
Replacing a Servo
Complete these steps only after following procedures for
“Unloading a Loaded Launcher” (page 33)
.
If a servo motor needs to be replaced, they can be
purchased locally from many hobby stores or directly from
Bumper Boy at 1-800-729-3822. Servo type is any
compatible GWS series.
Cut heat shrink open at servo connector – located
about 11 inches back from servo
Pull apart wiring harness from connector
Remove all four servo mounting screws and retain
for mounting the new servo.