Great Plains 2551SC Operator Manual - Manual (Page 25)

Great Plains Manufacturing, Inc. Appendix 21
10/09/2013 540-179M
Tire Inflation Chart
Hydraulic Connectors and Torque
Refer to Figure 9 (a hypothetical fitting)
Leave any protective caps in place until immediately prior
to making a connection.
Tire Inflation Chart Tire Warranty Information
Wheel Tire Size Inflation All tires are warranted by the original manufacturer of the tire.
Tire warranty information is found in the brochures included with
your Operator’s and Parts Manuals or online at the manufac-
turer’s web sites listed below. For assistance or information, con-
tact your nearest Authorized Farm Tire Retailer.
Manufacturer Web site
Firestone www.firestoneag.com
Gleason www.gleasonwheel.com
Titan www.titan-intl.com
Galaxy www.atgtire.com
BKT www.bkt-tire.com
Transport/
Dual
9.5L x 15” 12-Ply
441 kPa
64 psi
Transport/
Single
11.5L x 15” 12-Ply
359 kPa
52 psi
NPT - National Pipe Thread
Note tapered threads, no cone/flare, and no O-ring.
Apply liquid pipe sealant for hydraulic applications.
Do not use tape sealant, which can clog a filter and/or
plug an orifice.
JIC - Joint Industry Conference (SAE J514)
Note straight threads
and the 37 ° cone on
“M” fittings (or 37 ° flare on “F” fittings).
Use no sealants (tape or liquid) on JIC fittings.
ORB - O-Ring Boss (SAE J514)
Note straight threads
and elastomer O-Ring .
Prior to installation, to prevent abrasion during tight-
ening, lubricate O-Ring with clean hydraulic fluid.
Use no sealants (tape or liquid) on ORB fittings.
ORB fittings that need orientation, such as the ell
depicted, also have a washer
and jam nut
(“adjustable thread port stud”). Back jam nut away
from washer. Thread fitting into receptacle until
O-Ring contacts seat. Unscrew fitting to desired
orientation. Tighten jam nut to torque specification.
2
5
4
9
8
7
5
3
Figure 9
Hydraulic Connector ID
31282
Fittings Torque Values
Dash
Size
Fitting N-m Ft-Lbs
-4
1 ⁄
4
-18 NPT 1.5-3.0 turns past finger
tight
-5
1 ⁄
2
-20 JIC 19-20 14-15
-5
1 ⁄
2
-20 ORB w/jam nut 12-16 9-12
-5
1 ⁄
2
-20 ORB straight 19-26 14-19
-6
5 ⁄
16
-18 JIC 24-27 18-20
-6
5 ⁄
16
-18 ORB w/jam nut 16-22 12-16
-6
5 ⁄
16
-18 ORB straight 24-33 18-24
-8
3 ⁄
4
-16 JIC 37-53 27-39
-8
3 ⁄
4
-16 ORB w/jam nut 27-41 20-30
-8
3 ⁄
4
-16 ORB straight 37-58 27-43
1
1
2
4 5
3
5 7
8 9