WARNING - Flannery Plant Hire

13
Check Tightening Torque of Bolts and Nuts
--- every 250 hours (first time after 50 hours)
MAINTENANCE
Tighten or retighten all bolts and nuts to the torque values
shown in the Table below. In addition, check bolts and nuts for
looseness and omission. if any are loose or missing, be sure to
retighten or supply new parts. Check tightness after the first
50 hours then every 250 hours.
ZX14-3, 16-3, 18-3
No. Descriptions
Bolt Dia.
mm
Q’ty
Wrench Size
mm N⋅m
Torque
(kgf⋅m) (lbf⋅ft)
1. Engine cushion rubber mounting bolt 12 4 19 90 (9) (65)
2. Engine bracket mounting bolt (Front) 10 8 17 50 (5) (36)
3. Hydraulic oil tank mounting bolt 12 4 19 90 (9) (65)
7/16-20UNF 17 25 (2.5) (18)
4.
Union joints for
hydraulic hoses
Metal face seal fitting
for hydraulic hoses
9/16-18UNF
19
22
30
40
(3)
(4)
(22)
(29)
and pipes and piping
3/4-16UNF 27 95 (9.5) (69)
1-1/16-12UNF 36 180 (18) (129)
5. Pump mounting bolt 12 2 19 90 (9) (65)
6. Pump cover mounting bolt 10 8 17 50 (5) (36)
7.
Control valve mounting bolt
Control valve base mounting bolt
10
10
4
4
17
17
50
50
(5)
(5)
(36)
(36)
8. Swing device mounting bolt 12 4 19 90 (9) (65)
9. Battery mounting nut 6 4 10 5 (0.5) (3.5)
10. Canopy mounting bolt
10
12
3
4
17
19
50
90
(5)
(9)
(36)
(65)
11. Cab mounting bolt
12
16
4
4
19
24
90
210
(9)
(21)
(65)
(152)
12.
Swing bearing
mounting bolt
Upperstructure
Undercarriage
10
10
16
18
17
17
50
50
(5)
(5)
(36)
(36)
13. Travel device mounting bolt 10 16 8 (Socket) 65 (6.5) (47)
14. Sprocket mounting bolt 10 18 8 (Socket) 65 (6.5) (47)
15. Lower roller mounting bolt 14 12 22 180 (18) (130)
6 10 5 (0.5) (3.5)
16. Cover mounting bolt
8 13 10 (1) (7)
10 17 50 (5) (36)
17. Counterweight mounting bolt 14 4 30 400 (41) (297)
8 13 20 (2) (14)
10 17 50 (5) (36)
18. Front pin lock plate bolts
12 19 90 (9) (65)
14 22 140 (14) (101)
16 24 210 (21) (152)
IMPORTANT: • Before installing, clean the bolt and nut threads to remove soil, rust, and/or dust.
• When installing new bolts and/or nuts, apply lubricant (e.g. white zinc B dissolved into spindle oil)
to the screw threads.
• Tighten bolts and nuts to the specifications. If tightened with excessively high or inadequate
torque, missing or breakage of bolts and/or nut may result.
• In case the counterweight mounting bolts became loose, consult your authorized dealer for
retightening.
7-77