Danfoss 20 Series - Recommended Tools and Installation; Measurement Instruments

Service Manual and
Axial Piston Pumps Series 20
Repair Instructions
L1003506 • Rev BA • Jun 2014 5
Tools for Minor Repairs and
Unit Maintenance
Additional Tools for
Complete Stripping of Units
Measurement Instruments
1 Circlip pliers ∅ 2 to 2.5 mm
1 Screw driver 3 mm
1 Screw driver 6 mm
1 Screw driver 9 mm
1 Plastic hammer - small
1 Pointed pliers (can also be slightly bent)
1 Torque key to 14.9 Nm [132 lbf•inch]
1 Set of ring spanners
5
/
16 to 1
1
/
4
1 Set of Allenkeys
1
/
4 to
3
/
8
1 Fixed spanner 1
5
/
6 for high pressure relief valve
1 Puller retainer seal
(Major repairs should not be carried out during the warranty period.)
1 Right angle screw driver 16 mm
1 Set of drifts 2 to 10 mm
1 Plastic hammer - large
1 Bearing puller 80 x 120 mm
1 Bearing puller 200 x 250 mm
1 Each fixed spanner for servo cylinder 36, 41, 46, 50, 55, 60, 65 mm
1 Depth gauge 300 mm
1 Set of fixed or open ended spanners
7
/
16 to 1
1
/
4
1 Fitting block - see page 14
At last 2 pressure gauges up to 60 bar damped (charge pressure - servo pressure)
1 Vacuum gauge to +1.0 ÷ -1.0 bar [14.5 ÷ -14.5 psi] (vacuum measurement at the charge pump)
2 Pressure gauges to 600 bar [8700 psi] (high pressure measurement at the valve
block)
1 Pressure gauge to 8 bar [116 psi] (casing pressure measurement)
Additional: Torque spanners, separate order!
Recommended Tools and
Installation