SkyTrak 10054 Operation Manual - Manual (Page 173)

General Maintenance
171 Model 10054 Rev. 11/03
If the measurement is within the range of 13.75" (349 mm) - 14.25"
(362 mm) measure the inner boom extend chain sag again.
10. Start the vehicle, with the outriggers lowered completely, cycle the
boom in and out several times. With the boom horizontal, fully
extend the boom and then retract it 2" (51 mm). Turn the vehicle
OFF.
11. Measure the sag (3) in the inner boom extend chain (4) between
the bottom of the chain and the top of the secondary intermediate
boom (5) at the closest point. Acceptable boom chain sag is
between 1.5" (38 mm) and 2.5" (64 mm). If the measurement is less
than 1.5" (38 mm) or more than 2.5" (64 mm), the inner boom
extend chain needs to be adjusted. See “Inner Boom Chain Ten-
sion Adjustment” on page 172.
OA0491
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4
5