Quick Measurement Procedure For quick evaluation of damage on the vehicle underbody, instructions are given in this group for the usage of an economical test method with the Telescopic Measuring Instrument MKM-642-A. Its usage is quite simple. Exchangeable measuring points are used to locate quickly actual values at different measuring locations. Removal of components or trailer hitch (if present) is not necessary. Checking the axle geometry gives further information on the extent of the damage - see operation "Camber, Toe-out and Toe-in, Check" in group "E". Lifting of the outer spring winding from its seat is also an apparent sign of deformation of the outrigger or frame side member.
Quick Measurement Procedure (Continued) Models F35, F19, F68 Section shows checking dimension between centre of fastening bolts on front axle.
 Important! When measuring, adjust extensions at both ends of measuring rod to same dimension. | 
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Checking Dimension, Front Frame |
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2 |
Checking dimension, diagonal between left and right front frame. |
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Models F35, F19, F68 Checking dimension, diagonal of floor (left to right).
Important! Checking dimension (right to left) is identical. | 
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Models F35, F19, F68 Checking dimension, rear floor. | 
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Models F35, F19, F68 Checking dimension between centre of rear axle fastening bolts.
Important! When measuring, adjust extensions at both ends of measuring rod to same dimension. | 
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Models F35, F19, F68 Checking dimension, diagonal at rear of body (frame). | 
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Models F35, F19, F68 Checking dimension between both rear frames. Notice: (Dimension was measured at bolts of the trailer hitch mount). | 
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