Emergency operations – SkyTrak 3606 Operation Manual User Manual
Page 91
Emergency Operations
3606 Rev 11/99
89
In any case of hydraulic line failure, it is critical to correctly identify which
hydraulic line has failed. Identify the hydraulic line that has failed (Figure 56)
and use the table below to determine which Step to follow to retract and
lower the boom.
HYDRAULIC
LINE
THAT
FAILED
FOLLOW
THIS
STEP
IF PARTS
ARE
AVAILABLE
STEP 1
STEP 1
BOOM LIFT LINE
(LIFT CYLINDER
TO BULKHEAD)
BOOM
EXTEND
LINE
BOOM
RETRACT
LINE
STEP 1
STEP 1
STEP 1
STEP 1
BOOM LIFT LINE
(BULKHEAD TO
CONTROL VALVE)
BOOM LOWER LINE
(LIFT CYLINDER TO
BULKHEAD)
BOOM LOWER LINE
(BULKHEAD TO
CONTROL VALVE)
STEP 2
STEP 2
STEP 2
FOLLOW
THIS
STEP
IF PARTS
ARE NOT
AVAILABLE
N O R M A L S T E P S
FOLLOW THIS
STEP AS A
LAST RESORT
STEP 3
STEP 3
STEP 4
EMERGENCY STEPS
Emergency Operations
3606 Rev 11/99
89
In any case of hydraulic line failure, it is critical to correctly identify which
hydraulic line has failed. Identify the hydraulic line that has failed (Figure 56)
and use the table below to determine which Step to follow to retract and
lower the boom.
HYDRAULIC
LINE
THAT
FAILED
FOLLOW
THIS
STEP
IF PARTS
ARE
AVAILABLE
STEP 1
STEP 1
BOOM LIFT LINE
(LIFT CYLINDER
TO BULKHEAD)
BOOM
EXTEND
LINE
BOOM
RETRACT
LINE
STEP 1
STEP 1
STEP 1
STEP 1
BOOM LIFT LINE
(BULKHEAD TO
CONTROL VALVE)
BOOM LOWER LINE
(LIFT CYLINDER TO
BULKHEAD)
BOOM LOWER LINE
(BULKHEAD TO
CONTROL VALVE)
STEP 2
STEP 2
STEP 2
FOLLOW
THIS
STEP
IF PARTS
ARE NOT
AVAILABLE
N O R M A L S T E P S
FOLLOW THIS
STEP AS A
LAST RESORT
STEP 3
STEP 3
STEP 4
EMERGENCY STEPS