Name: Danfoss OSQA
Brand: Danfoss
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Parts list (continued)

Part Number per unit Item Tightening torque

Inner spool, amplifier 1 14 —

Compress spring 1 15 —

Shock valve 2 20 —

O-ring Ø24 x 2 mm 2 20.11 —

Valve seat 1 21 20 ± 3 N·m

Pilot cone 1 22 —

Spring 1 22.2 —

Adjusting screw 1 23 —

O-ring Ø9 x 2 mm 1 23.2 —

Plug 1 24 —

Directional spool 1 25 —

Orifice 2 26 5 ± 1 N·m

Spring stop 2 27 —

Compress spring 2 28 —

Compress spring 2 29 —

Spring stop 2 30 —

Orifice 1 36 5 ± 1 N·m

Check valve 1 37 20 ± 3 N·m

Screw 1 37.1 5 ± 1 N·m

Compress spring 1 37.2 —

O-ring Ø10.3 x 2.4 mm 1 37.3 —

Valve seat 1 37.4 —

Ball 1 37.5 —

Pin 2 38 —

Locking ring 2 39 —

Plug 1 40 —

Orifice 1 41 5 ± 1 N·m

Compress spring, OSQB only 1 45 —

Piston, OSQB only 1 46 —

Compress spring, OSQB only 1 47 —

Ball, OSQB only 1 48 —

Plug, OSQB only 1 49 25 ± 3 N·m

O-ring Ø23.3 x 2.4 mm, OSQB only 1 49.2 —

O-ring Ø35 x 2 mm 4 57 —

O-ring Ø40 x 2 mm 4 58 —

O-ring Ø10 x 2 mm 2 59 —

Cover 1 65 —

Cover 1 66 —

Model/code label 1 70 —

Spring washer 16 80 —

Screw 16 81 25 ± 5/-0 N·m

Spring washer 2 82 —

Screw 2 83 80 ± 10 N·m

Plug with O-ring 1 160 25 ± 5 N·m

Service Manual

OSQA/OSQB

Technical specifications

Danfoss | July 2016 HN25D293 | AX00000127en-US0101 | 7

Danfoss OSQA User Manual

Table of Contents

Questions and Answers:

Danfoss OSQA Specifications

Brand	Danfoss
Model	OSQA
Category	Amplifier
Language	English