- - - PRECOAT BOLTS I - - - 1 (Bolts coated wrth seal lock agent on threads) I I 1 Do not use the precoat bolt as it In any of the follow~ng cases I IS (2) When the precoat bolt (1 ) When the precoat bolt 1s moved (loosened or tightened) rn IS removed I tighten- I rng check etc I The tightening torque must be checked Reference : I 601ts 84460 with the lower limit of the allowable tightening toque range. If the bolt moves, retighten it according to the following procedure: Precoat 2. Reusing the precoat bolt ( 1 ) Clean the bolt and threaded hole.
alr blowing, etc when the precoat bolt (2) Dry the precoat bolt sufficiently by (Clean the threaded hole even IS to be (3) Coat the specifred seal lock agent replaced. j on the theaded hole for the bolt. HIGH PRESSURE HOSE FllTlNG TIGHTENING TORQUE 1. Before connecting a n~pple contact surfaces with clean cloth to remove foreign matters and dirt. Check that there h ~ g h pressure hose, wipe the high pressure hose fitting and mating IS no dent or other surface defect on the contact surface. 2. In that the state during tightening. 3. The maximum Al~gn the high pressure hose f~tting and nrpple and hold the hose t~ghten~ng torque must not exceed twice the standard t~ghtening torque.
N~~~~~~ of screw Standard t~ghtenrngto rque kg-cm (ft-lb ) Hose ~ n s ~ d e diameter mm Standard Tighten~ngra nge - 7/16 -20UNF 2 5 1 181) 2 4 2 6 1 1 7 3 1 8 8 ) 6 - - 9/16 -18UNF 1 5 0 ( 3 6 2 ) 4 8 5 3 1 3 4 7 3 8 3 ) 9 - - 3/4 -16UNF I 6 0 ( 43 3) 5 7 63141 2 4 5 5 ) 12 - 7/8 -14UNF 6 0 ( 4 3 3 ) 5 7 63141 2 - 4 5 5 ) 12 1 11/16-12UNF 1 2 0 ( 8 6 6 ) 11 4 - 1 2 6 1 8 2 3 - 91 0) 19 15/16-12UNF 1 5 0 ( l O l 1) 1 1 3 3 - , 4 7 1 9 6 0 - 1 0 6 1 ) I 25 - PFI /4 5 0 1 3 6 2 ) 4 8 5 3 1 3 4 7 - 3 8 3 ) 9 - PF3/8 ' 5 0 ( 3 6 2 ) 4 8 5 3 3 3 4 7 - 3 8 3 ) 9 - - PF1/2 5 7 63141 2 4 5 5 ) , 12 PF3/4 1 2 0 ( 8 6 6 ) 11 4 - 1 2 6 ( 8 2 3 - 91 0) 19 - - PF 1 1 4 0 ( 1 0 1 1 ) 1 1 3 3 1 4 7 1 9 6 0 1 0 6 1 ) 2 5 I