CHECKING ROLL PATTERNS

. . . and anchor to the same plate as the Intermediate rail

chains, but enter the anchor plate from above.

Fig. 16174

Carriage chains should be adjusted so that forks are 1/2-inch

above the ground with the upright vertical.

Fig. 16175

As with the intermediate rail chains, conical ends on anchor

nuts should seat in the anchor plate. Inspect the carriage

chains for wear.

Fig. 16176

CHECKING ROLL PATTERNS

Impressions made by rollers on upright rails are called roll

patterns. Roll patterns can give an indication of upright

adjustment. Excessive metal sowing or gouging of the roller

paths may indicate excessive pressure caused by damaged or

misadjusted r o l l e r s . Roll patterns can be checked by . . .

Fig. 16177

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