Maintenance - Husqvarna P 520DX Operator's Manual

Rear transmission
• To open the bypass valve, open the locknut (A) ¼–½
turn counterclockwise and then the valve screw (B) 2
turns counterclockwise.
• To close the bypass valve, close the valve screw (B)
and tighten to 8 Nm and then tighten the locknut (A)
to 30 Nm.
Introduction
WARNING:
safety chapter before you do maintenance
on the product.
Maintenance schedule
* = General maintenance done by the operator. The
instructions are not given in this operator's manual.

Maintenance

Make sure that nuts and screws are tightened.
Make sure that there are no fuel, water or oil leaks.
Clean the machine.
Make sure that the safety devices are not defective.
Lubrication overview on page 51 .
Lubricate. Refer to
Make sure that the fuel hoses and the couplings are clean and
not damaged.
Make sure that the hoses and the couplings for the cooling sys-
tem are clean and not damaged.
Examine the 12 V battery.
Do a check of the electrical connections and cables.
Do a check of the pedal linkage, adjust and lubricate it.
Do a check of the parking brake wire and adjust the parking
brake.
1593 - 002 - 22.12.2020
A
B
Maintenance
Read and understand the
Front transmission
• To open the bypass valve, open the locknut (A) ¼–½
turn counterclockwise and then the valve screw (B) 2
turns counterclockwise.
A
B
• To close the bypass valve, close the valve screw (B)
and tighten to 8 Nm and then tighten the locknut (A)
to 30 Nm.
X = Maintenance done by the operator. The instructions
are given in this operator's manual.
O = Maintenance done by the service agent. The
instructions are not given in this operator's manual.
Note:
If more than one time interval is identified in the
table, the shortest time interval is for the first
maintenance only.
Week-
Daily
ly
*
*
X
X
X
*
Maintenance interval
First
in hours
50 h
100 200 400 800
* *
* *
* *
X
O
29