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10D Level and Support Device (Chart 13)
10D.1 Level and Support Frame (Chart 13 item D1)
10D.1.1
Check
the Level and Support Frame for visible cracks. If cracks are found replace the Level and Support.
10D.1.2
Check
the Level and Support Frame for any deformation. If deformation is noted, check for cracks with some
means of non-destructive testing. If any crack is noted, the Crank Housing should be replaced.
10D.1.3
Screw
the appropriate Thread Gauge from equipment required list into the threaded hole of the Level and Support
Frame into which the Clamping Screw (Chart 13 item D-7) threads. The thread gauge when screwed into the Level
and Support Frame
should not exceed .010 thousands of an inch of play
when moved in any direction.
Warning: Mathey Dearman Inc. will not warranty of accept any responsibility for heating, welding or straightening
of the Level and Support Frame.
10D.2 Crank Housing (Chart 13 item D2)
10D.2.1
Check
the Crank Housing for visible cracks. If the cracks are found, replace the Crank Housing.
10D.2.2
Check
the Crank Housing for any deformation.
If deformation
is noted, check for cracks with some means of non-
destructive testing. If any crack is noted, the Crank Housing should be replaced.
Warning: Mathey Dearman Inc. will not warranty of accept any responsibility for heating, welding or straightening
of the Crank Housing.
10D.3 Level and Support Piston (Chart 13 item D3)
10D.3.1
Check
the Piston (with a straight edge) for straightness. If the Piston is bent, it should be replaced or it should be
check with x-rayed or magnetic-particle testing to determine if there are any cracks prior to any further use.
Warning: Mathey Dearman Inc. will not warranty of accept any responsibility for heating, welding or straightening
of the Level and Support Piston.
10D.3.2
Check
the threaded hole in the Piston for galled or missing threads. If the threads are galled or missing, replace
the Piston
10D.3.3
Check
the hole in the Piston at the point where the Chain (Chart 14) attaches for elongation. If the hole in the
Piston is elongated, the Piston should be replaced.
10D.4 Threaded Stud (Chart 13 item D4)
10D.4.1
Check
the threads of the Threaded Stud for galled or missing threads. If the Threaded Stud has galled or has
missing threads, replace the Level and Support Assembly (Chart 13).
10D.4.2
Check
the Threaded Stud (C-4) to see if it is bent. A bent threaded stud can make it difficult to turn the Crank
Handle (Chart 13 item D5) to move the Piston inward and outward in the Crank Housing. If the Threaded Stud is
bent, replace the Level and Support (D).
10D.5 Crank Handle (Chart 13 item D5)
Check
the Crank Handle for crack especially in the area where the threaded shaft (D-4) is welded to the Crank
Housing. If the area around the Crank Handle is cracked, replace the Level and Support (D).
Warning: Mathey Dearman Inc. will not warranty of accept any responsibility for heating, welding or straightening
of the Crank Handle.
10D.6 Level and Support Chain (Chart 13 item D6)
Check
all links of the Chain for arc marks, which are made by welding machine. If any arc marks are found at any
point along the length of entire Chain, the entire length of the Chain should be replaced.
10D.7 Clamping Screw (Chart 13 item D7)
10D.7.1
Check
the threads of the Clamping Screw for galled or missing threads. If the Clamping Screw is found to be galled
or has missing threads, replace the Clamping Screw.
10D.7.2 Check the Champing Screw to see if it is bent. If the Clamping Screw is bent galled or has missing threads, replace
the Clamping Screw.
