MAINTENANCE
7-50
Hydraulic Fittings
Metal Face Seal Fittings
(Union nut (2): Wrench size 17, 19, 22, 27, 36, 41)
Metal face seal fitting is used on smaller diameter joint,
which seals pressure oil by metal flare (4) and metal flare
seat (3).
1. Inspect flare (4) and flare seat (3). They must be free of
dirt or obvious defects.
2. Tighten fitting (1) by hand.
3. Tighten fitting (1) or nut (2) to the torque values shown.
Do not allow a hose to twist when tightening fittings.
±
10 %
Wrench size (mm)
17
19
22
27
Tightening
Torque
N
·
m
25
30
40
65
(kgf
·
m) (2.5)
(3)
(4)
(6.5)
(lbf
·
ft) (18) (22) (29.5)
(47)
1
3
2
4
Metal Body
M202-07-051
Summary of Contents for Zaxis 17U-5A
Page 4: ......
Page 8: ...CONTENTS MEMO ...
Page 12: ...MACHINE NUMBERS 4 MEMO ...
Page 84: ...OPERATOR S STATION 1 18 MEMO ...
Page 86: ...BREAK IN 2 2 MEMO ...
Page 108: ...DRIVING THE MACHINE 4 14 MEMO ...
Page 228: ...MAINTENANCE 7 88 MEMO ...
Page 230: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 2 MEMO ...
Page 232: ...STORAGE 10 2 MEMO ...
Page 240: ...TROUBLESHOOTING 11 8 MEMO ...
Page 250: ...SPECIFICATIONS 12 10 MEMO ...
Page 270: ...13 20 NUMERIC KEYPAD LOCK OPTIONAL ATTACHMENT MEMO ...
Page 274: ...INDEX 14 4 MEMO ...
Page 276: ......
Page 277: ......
Page 278: ......