Sony HDCAM HDW-F900R Maintenance Manual page 382

16. Operation check
Rotate the worm wheel of the gear block assembly with a phillips screwdriver and
check that the threading and unthreading operations are performed smoothly.
(Refer to Section 7-1-4.)
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Do not rotate the worm wheel more than necessary. Otherwise it may damage the
unit.
17. Cleaning the heads and tape running surface
Clean the following places using a cleaning cloth moistened with cleaning fluid.
. Video head (Refer to Section 2-1-2.)
. Upper drum tape running surface (Refer to Section 2-1-2.)
. Lower drum rabbet guide and tape running surface (Refer to Section 2-1-3.)
. All tape guides and pinch roller assembly (Refer to Section 2-1-5.)
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After cleaning, be sure to wipe the cleaning fluid off the cleaned portions using a dry
cleaning cloth.
Adjustments after Replacement
18. S-tension regulator arm operating position adjustment
(Refer to Section 8-1-2.)
19. FWD back tension adjustment
(Refer to Section 8-1-3.)
20. Tape run adjustment
(Refer to Section 8-2-1.)
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HDW-F900R/V1 (E)