HYDRAULIC SYSTEM
L3301, L3901, L4701, WSM
8-S5
3. TIGHTENING TORQUES
Tightening torques of screws, bolts and nuts on the table below are especially specified.
(For general use screws, bolts and nuts: Refer to "5. TIGHTENING TORQUES" on page G-13.)
9Y1211012HYS0003US0
Item N·m kgf·m lbf·ft
Joint shaft bolt [L3301/L3901] 23.5 to 27.4 2.4 to 2.8 18 to 20
Power steering delivery pipe joint bolt 49 to 68 5.0 to 7.0 37 to 50
Power steering delivery hose joint bolt 49.0 to 58.8 5.0 to 6.0 37 to 43
Delivery pipe (3-point hitch) mounting bolt 17.6 to 20.6 1.8 to 2.1 13 to 15
PS relief pressure adjusting screw lock nut 33 to 46 3.4 to 4.6 25 to 33
Power steering delivery hose joint bolt 49.0 to 58.8 5.0 to 6.0 37 to 43
Safety valve assembly 40 to 49 4.0 to 5.0 29 to 36
Safety valve lock nut 59 to 78 6.0 to 8.0 44 to 57
Delivery Pipe (Power steering) joint screw 49 to 68 5.0 to 7.0 37 to 50
Hydraulic pump assembly mounting screw and nut 24 to 27 2.4 to 2.8 18 to 20
Delivery pipe (PTO) joint bolt 34.3 to 39.2 3.5 to 4.0 26 to 28
Delivery pipe (regulator) joint bolt 39.2 to 49.0 4.0 to 5.0 29 to 36
Regulator valve mounting screws 17.6 to 20.6 1.8 to 2.1 13 to 15
Pump cover mounting screw 40 to 44 4.0 to 4.5 29 to 32
Delivery pipe (hydraulic block) joint bolt 49 to 69 5.0 to 7.0 37 to 50
Hydraulic cylinder assembly mounting bolt 78 to 90 7.9 to 9.2 58 to 66
Position control valve mounting screws 20 to 24 2.0 to 2.5 15 to 18
Plug 1 39.2 to 58.8 4.0 to 6.0 28.9 to 43.4
Plug 2 29.4 to 49.0 3.0 to 5.0 21.7 to 36.2
Unload plug 39.2 to 58.8 4.0 to 6.0 28.9 to 43.4
Relief valve plug 35 to 44 3.5 to 4.5 26 to 32
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