Hydraulic System - Volvo EC35 Operator's Manual

Hydraulic system

Checking the hydraulic oil level
Check the hydraulic oil level every 10 operating hours.
A
1 Park the machine on horizontal ground.
2 Operate all cylinders to both directions while the engine is run-
ning.
3 Operate all cylinders until they are fully extended (see Fig. A).
Lower the boom to level ground. The dozer blade must be lo-
wered for safety reasons.
4 Check the hydraulic oil level in sight glass (13). The hydraulic
oil level must now comply with the level shown in the illustra-
tion.
5 If necessary, fill hydraulic oil through filler neck (14) on the hy-
draulic oil tank (15) (see page 83 "Service points").
1012165
For quality of hydraulic oil please refer to the table of fuels
and lubricants on page 107.
NOTE! If the hydraulic system is filled with biodegradable hy-
draulic oil from the factory (see sticker on filler neck), only the
oil quality specified on the sticker must be used to fill up or
when changing the oil.
Service and maintenance
Hydraulic system 99