Valtra A800R Workshop Service Manual

1 - Tightening torques: hydraulic unions with 37° flare
Tensile grade SAE J 514
Outside diameter
of pipe, metric
Outside diameter
of pipe, in inches
Thread
Torque
mm inch inch Min. Max.
4 1/8 5/16 - 24 UNF 8 Nm 9 Nm
5 3/16 3/8 - 24 UNF 11 Nm 12 Nm
6 1/4 7/16 - 20 UNF 15 Nm 16 Nm
8 5/16 1/2 - 20 UNF 19 Nm 21 Nm
10 3/8 9/16 - 18 UNF 24 Nm 28 Nm
12 1/2 3/4 - 16 UNF 49 Nm 53 Nm
16 5/8 7/8 - 14 UNF 77 Nm 85 Nm
20 3/4 1-1/16 - 12 UN 107 Nm 119 Nm
22 7/8 1-3/16 - 12 UN 127 Nm 140 Nm
25 1 1-5/16 - 12 UN 147 Nm 154 Nm
32 1-1/4 1-5/8 - 12 UN 172 Nm 181 Nm
(40) 1-1/2 1-7/8 - 12 UN 215 Nm 226 Nm
50 2 2-1/2 - 12 UN 332 Nm 350 Nm
IMPORTANT:
The unions for pipes must not be tightened using a pipe wrench or a torque wrench. Special pipe
wrenches, flat open-end wrenches and Allen keys of the appropriate size must be used to avoid crushing
the pipes and unions and tearing the threads.
2 - Tightening torques: EO2 hydraulic unions
Pipe dimension Torque +10%
mm
6 x 1 17 Nm
8 x 1 25 Nm
10 x 1 35 Nm
12 x 1 45 Nm
12 x 1.5 48 Nm
15 x 1.5 70 Nm
18 x 2 105 Nm
22 x 2 160 Nm
25 x 2 210 Nm
28 x 2 205 Nm
1. Introduction
1-21
ACX2831410

Valtra A800R Specifications

General

Brand	Valtra
Model	A800R
Category	Tractor
Language	English