Farr HD8625 Technical Manual page 63

M
ainTenance
Assembly Procedures (continued...):
74. Mount the DVA35 hydraulic valve assembly on the mounting posts using two 1/2" UNC x 4-1/2" hex bolts and 1/2" narrow flat wash-
ers.
75. Attach two #20 (1-1/4") / 1" JIC flange elbows (PN 02-9216) to the motor using #20 split flange kits (PN 02-9217).
76. Connect the safety door valve block (PN 101-0727) directly to the flange elbows on the hydraulic motor (the block will sit on top of
the motor following installation). Connect the rotation control valve on the DVA35 valve assembly to the safety door block.
77. Connect the safety door switch to the safety door block and hydraulic valve assembly. Refer to hydraulic schematic, or call McCoy
Drilling & Completions - Farr® engineering department for assistance.
78. Install desired jaw die kit in the tong using the jaw pivot bolts (PN 1050-C5-28).
hD8625 8- " 35K T
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echnical anual 3.21