4-19
4.8
TIGHTENING TORQUES FOR BOLTS & NUTS
(SPECIFIC POSITIONS)
Follow the next table when tightening or retightening bolts or nuts in every part.
Check for any loose or missing bolts or nuts before daily operation and at periodical inspection. Retighten a loose
bolts and nuts and supply new parts for missing ones as required.
Inspection and retightening are needed at first 50 hours for a new machine and after that every 250 hours. Except
for the retightening positions indicated in the following table, retighten the bolts and nuts according to the tightening
torque table in "TIGHTENING TORQUE FOR BOLTS & NUTS" in Chapter 4.
Size
(M)
Width
across
Flats
mm
Position of bolts/nuts
Tightening torque
N·m
(Without Lubrication)
Recommended
thread locking agent
M5
-
Installing fuel tank level sensor
1.96±0.2 (1.45±0.15)
M8
13
Installing condenser
11±1.1 (8.11±0.81)
13
Installing water sub-tank
10.7±1.1 (7.89±0.81)
M10
17
Condenser mounting bracket
46.5±4.6 (34.3±3.39)
17
Installing swivel joint dust cover
14.7±1.5 (10.8±1.11)
Applying Loctite #572
17
Installing swing bearing access panel cover
29.4±2.9 (21.7±2.14)
Applying Loctite #572
17
Installing air cleaner
39±3.9 (28.8±2.88)
17
Installing engine oil filter
46.5±4.6 (34.3±3.39)
17
Installing hydraulic oil tank cover
46.5±4.6 (34.3±3.39)
17
Installing fuel tank bottom cover
46.5±4.6 (34.3±3.39)
17
Installing lower frame grease bath cover
10.8±0.98 (7.97±0.72)
17
Installing hand rail
46.5±4.6 (34.3±3.39)
Applying Loctite #262
17
Installing floor plate rubber mount
46.5±4.6 (34.3±3.39)
M12
19
Installing swivel joint
107.8±10.8 (79.5±7.97 )
Applying Loctite #262
19
Installing bracket for power take
64.7±6.4 (47.7±4.72)
Applying Loctite #262
19
Installing hand rail
80±8 (59.0±5.90)
19
Installing hand hold
115±12 (84.8±8.85)
Applying Loctite #242
19
Installing cab
80±8 (59.0±5.90)
19
Installing travel motor cover
83.4±8.4 (61.5±6.20)
Applying Loctite #262
19
Front idler idler adjuster connection
115±12 (84.8±8.85)
Applying Loctite #262
M16
24
Installing engine
191±19 (141±14.0)
Applying Loctite #271
14
Installing main pump
235±24 (173±17.7)
Applying Loctite #262
14
Installing power take coupling
220±10 (162±7.38)
24
Installing travel motor
279±29 (206±21.4)
Applying Loctite #262
24
Floor plate rubber mount mounting nut
191±19 (141±14.0)
24
Installing sprocket
279±29 (206±21.4)
Applying Loctite #262
24
Installing lower roller
279±28 (206±20.7)
Applying Loctite #262
24
Installing fuel tank
191±19 (141±14.0)
Applying Loctite #262
24
Installing shoe bolts
412±39 (304±28.8)
24
Installing swing bearing (outer race)
256±25.6 (189±18.9)
Applying Loctite #262
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