Case 445/M2 - Page 154

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MAIN BEARING ON TIMING
SYSTEM CONTROL SIDE
INTERMEDIATE MAIN
BEARINGS
FIRST MAIN B EARING ON
FRONT SIDE
Figure 30
SECTION 4 − OVERHAUL AND TECHNICAL SPECIFICATIONS
20
E NG I NE S
ED. FEBUARY 2003
TOLERANCES TOLERANCE CHARACTERISTIC GRAPHIC SYMBOL
S
H
A
P
E
Roundness ○
S
H
A
P
E
Cilindricity /○/
Parallelism //
DIRECTION
Verticality
Straightness
POSITION Concentric ity or coaxiality
Circular osc illation
OSCILLATION
Total oscillation
Ta p e r
LEVELS OF IMPORTANCE FOR PRODUCT CHARACTERISTICS GRAPHIC SYMBOL
CRITIC AL 
IMPORTANT ⊕
SECONDARY ⊝