TM 9-2350-256-10 Table 2-3.  Flow Regulator Setting for Operation of Impact Wrench and Fuel Transfer Pump. Average Torque Output, lb-ft (N·m) Flow Regulator Setting Approximate Flow Output at Regulator, gpm (Lpm) 1-in.  bolt at 5 sec. 1-in.  bolt at 10 sec. Approx.  Fuel Transfer Pump Output, gpm (Lpm) 0 6.3 (23.8) Do not use Do not use 36 (136.3) 0.50 6.2 (23.5) Do not use Do not use 35.5 (134.4) 1.00 6.0 (22.7) Do not use Do not use 35 (132.5) 1.50 5.8( 22.0) Do not use Do not use 34 (128.7) 2.00 5.5 (20.8) Do not use Do not use 33.5 (126.8) 2.50 5.1 (19.3) Do not use Do not use 33 (124.9) 3.00 4.5 (17.0) Do not use Do not use 29 (109.8) 3.25 4.1 (15.5) 940 (1274) Do not use 26.5 (100.3) 3.50 3.9 (14.8) 800 (1084) 1000 (1355) 24 (90.8) 3.75 3.5 (13.2) 620 (840) 770 (1044) 21 (79.5) 4.00 3.2 (12.1) 490 (644) 580 (786) 18.5 (70.0) 4.25 2.8 (10.6) 360 (488) 480 (650) 16 (60.6) 4.50 2.4 (9.1) 305 (413) 450 (610) 14 (53.0) 5.00 1.7 (6.4) -- -- 9 (34.1) 5.50 1.1 (4.1) -- -- 3 (11.4) 6.00 0 -- -- 0 thru 10.00 f. Hydraulic Impact Wrench Operation. (1) General.  A portable hydraulic impact wrench with hoses is located in the right stowage compartment.  It is a 3/4-in. square drive wrench with one 3/8-in. and one 1/2-in. quick disconnect, self-sealing hose. (2) Operation.    Table  2-3  lists  the  flow  regulator  settings.    For  maintenance  and  operation  of  the  hydraulic impact wrench refer to TM 9-5130-338-12&P. 2-183