GENERAL / Tightening TIGHTENING TORQUE SPECIFICATIONS Bolts and Nuts of Machine: Standard Tightening Torque Chart As for the bolt Dia. with mark *, the dimension is indicated in inch. As for torque with mark **, LOCTITE #262 is used. NOTE: When tightening, apply lubricant in order to reduce friction coefficient of bolts and nuts. (Ex. white zinc B dissolved into spindle oil) Remove rust, dirt and dust before installing fasteners. W1-2-1 Descriptions Machine Bolt Dia.
Q’ty Wrench Size (mm) Torque N⋅m (kgf⋅m) 1 Front axle mounting bolt ZW220 ZW250 27 30 8 8 41 46 1128 (115) 1579 (161) 2 Rear axle support mounting bolt ZW220 ZW250 24 27 8 8 36 41 1128 (115) 1128 (115) 3 Wheel rim mounting bolt ZW220 ZW250 24 24 72 80 36 36 890 (91) 890 (91) 4 Propeller shaft mounting bolt In common 12 20 17 **143 (15) 5 Propeller shaft support bearing mounting bolt In common 20 2 30 206 (21) 6 Transmission mounting bolt; bracket In common 16 8 24 **224 (23) 7 Transmission mounting bolt; cushion rubber In common 18 2 27 315 (32) 8 Engine mounting bolt; bracket In common 10 12 14 **46.2 (5) 9 Engine mounting bolt; cushion rubber In common 18 2 27 315 (32) 10 Counterweight mounting bolt In common 30 4 46 1510 (154) 11 Flange above upper center pin fixing (The bolts with mark ** are located at center of flange.) ZW220 ZW250 16 16 7 10 24 24 224 (23) **224 (23) 12 Lower center pin stopper In common 16 1 24 86.9 (9) 13 Loader front pin stopper In common 16 13 24 86.9 (9) 14 Steering cylinder pin stopper In common 16 4 24 86.9 (9) 15 Radiator frame mounting bolt In common 16 6 24 **154 (16) 16 Radiator mounting bolt In common 8 4 12 17.6 (2) 17 Intercooler mounting bolt In common 10 4 14 36.2 (4) 18 Oil cooler mounting bolt In common 10 4 14 36.2 (4) 19 Torque converter mounting bolt In common 10 2 14 36.2 (4) 20 Air conditioner condenser mounting bolt In common 8 4 12 12.5 (1) 21 Air conditioner compressor mounting bolt In common 8 4 12 23 to 0 (2 to 3) 22 Cab cushion rubber In common 16 4 24 **205 (21) 23 Bucket teeth mounting bolt (optional) In common ＊11/4’ 16 46 1940 (198) 24 Cutting edge mounting bolt In common ＊1’ 12 37.47 1068 (109) 25 Wear plate mounting bolt In common ＊1’ 4 37.47 1068 (109)