Service Manual and
Axial Piston Motors Series 20
Repair Instructions
L1003443
• Rev BA • Jun 2014
5
Recommended Tools and
Installation
Tools for Minor Repairs and
Unit Maintenance
Additional Tools for
Complete Stripping of Units
Measurement Instruments
y
Circlip pliers
∅
2 to 2.5 mm
y
Screw drivers 3, 6 and 9mm
y
Plastic hammer - small
y
Pointed pliers (can also be slightly bent)
y
Torque key to 14.9 Nm [132 lbf•inch]
y
Set of ring spanners
5/16
to 1
1/4
y
Set of Allenkeys
1/4
to
3/8
y
Fixed spanner 1
5/6
for high pressure relief valve
y
Puller retainer seal
(Major repairs should not be carried out during the warranty period.)
y
Right angle screw driver 16 mm
y
Set of drifts 2 to 10 mm
y
Plastic hammer - large
y
Bearing puller 80 x 120 mm
y
Bearing puller 200 x 250 mm
y
Each fixed spanner for servo cylinder 36, 41, 46, 50, 55, 60, 65 mm
y
Depth gauge 300 mm
y
Set of fixed or open ended spanners
7/16
to 1
1/4
y
Fitting block - see
page 14
At least 2 pressure gauges up to 60 bar damped (charge pressure - servo pressure)
y
1 vacuum gauge to +1.0 ÷ -1.0 bar [14.5 ÷ -14.5 psi]
(vacuum measurement at the charge pump)
y
2 pressure gauges to 600 bar [8700 psi] (high pressure measurement at the valve block)
y
1 pressure gauge to 8 bar [116 psi] (casing pressure measurement)
Additional: Torque spanners, separate order!
