Charge Time At Different Currents; To Do A Check Of The Hydraulic Oil Level; To Replace The Hydraulic Oil; To Do A Check Of The Hydraulic Hoses - Husqvarna LG 504 Operator's Manual

Battery charger type
Float charger.
Fast charger, constant
voltage charger.
Battery charger for cyclic
batteries or batteries con-
nected in a series string.

Charge time at different currents

The recommendations are correct at an average
ambient temperature of 25°C/77°F. The charge time
changes with different ambient temperatures and
different battery chargers.
Current
100 A
50 A
25 A
Hydraulic system

To do a check of the hydraulic hoses

• Examine the hydraulic hoses regularly. Replace
worn or damaged hydraulic hoses.
WARNING: Hydraulic oil is dangerous. The
rubber in the hydraulic hoses wears with
time. Worn or damaged hydraulic hoses can
break and the hydraulic oil can cause injury.
If you cannot tell if the hydraulic hoses are
worn, always replace the hydraulic hoses.
18
Recommendations
13.2–13.8 V. Max. 1 A. No
time limit at lower voltag-
es.
Max. 15.6 V. No current
limit if the battery temper-
ature is less than 50°C/
125°F. Charge until the
current is less than 1 A.
14.7 V. No current limit if
the battery temperature is
less than 50°C/125°F.
When the current is less
than 1 A, charge with 2 A
constant current for 2 h.
Approximate time to 90%
charge level
35 minutes
75 minutes
140 minutes

To do a check of the hydraulic oil level

1. Remove the dipstick from the hydraulic oil tank.
2. Read the hydraulic oil level on the dipstick.
3. If the hydraulic oil level is too low, let an approved
service center examine the hydraulic system for
leaks.

To replace the hydraulic oil

WARNING: Risk of burn injury. The
hydraulic oil becomes hot during operation
of the product. Let the product become cool
before you replace the hydraulic oil.
1. Remove the dipstick (A) from the hydraulic oil tank.
A
2. Use an oil drain pump to drain the hydraulic oil from
the hydraulic oil tank.
3. Clean the opening of the hydraulic oil tank.
4. Replace the breather filter (B).
B
1229 - 002 - 06.04.2020