2013 Polaris BRUTUS Owners Manual - Page 48

HYDRAULIC CONNECTION SPECIFICATIONS Straight Thread O-ring Fitting NOTE: When repairing hydrostatic and hydraulic systems, clean the work area before disassembly and keep all parts clean. Always use caps and plugs on hoses, tubelines and ports to keep dirt out. dirt can quickly damage the system. safe manner. Nut Washer O-ring Nut Washer O-ring NOTE: Contain and dispose of any oil leakage in an environmentally Lubricate the O-ring before installing the fitting. Loosen the jam nut and install the fitting. Tighten the jam nut until the washer is tight against the surface. Straight Thread O-ring Fitting Replace any tubelines that are bent or flattened. they will restrict flow, which will slow hydraulic action and can cause heat. Replace hoses which sow signs of wear, damage or weather cracked rubber. Always use two wrenches when loosening and tightening hoses and tubeline fittings. Flared Fitting Use the following procedure to tighten the flare fittings: Tighten the nut until it makes contact with the seat. Make a mark across the flats of both the male and female parts of the connection (Item 1). Use the chart below to find the correct tightness needed (Item 2). If the fitting leaks after tightening, disconnect and inspect the seat area for damage. Flare Fitting Tightening Torque Tubeline Outside Diameter 1/4 inch 5/16 inch 3/8 inch 1/2 inch 5/8 inch 3/4 inch 7/8 inch 1.0 inch 1-1/4 inch 1-1/2 inch 2.0 inch Thread Size 7/16 inch - 20 1/2 inch - 20 9/16 inch - 18 3/4 inch - 16 7/8 inch - 14 1-1/16 inch - 12 1-3/16 inch - 12 1-5/16 inch - 12 1-5/8 inch - 12 1-7/8 inch - 12 2-1/2 inch - 12 Torque Ft-lbs (Nm) 13 (18) 17 (23) 22 (30) 40 (54) 60 (81) 84 (114) 98 (133) 118 (160) 154 (209) 163 (221) 252 (342) 1 2 47