SPIERINGS SK375-AT3, Руководство пользователя

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SK375-AT3
Hydraulic system
Truck
SPIERINGS MOBILE CRANES USER MANUAL V 0.0 8-3
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8.1.4. Refreshing oil
Refresh the hydraulic oil:
1. Open the filler cap A of the hydraulic tank (see Picture 8-1 );
2. Place an oil tray under the drainage points;
3. Unscrew the drainage plugs C and let the oil leak from all compartments of the hydraulic tank;
4. Mount the drainage plugs C with new sealing rings;
5. Refill the hydraulic tank with new hydraulic oil (see § 8.1.2. Topping up oil and
§ 14.5. Specifications hydraulic system truck );
6. Mount filler cap A on the hydraulic tank.
8.2. Hydraulic pumps
Two hydraulic pumps are driven by the truck engine. The steering pump (mounted in the lower left
corner against the engine block) provides the mechanically steered front axles with hydraulic oil.
The other pump is mounted on the flywheel housing and is driven from the PTO (Power Take Off).
This hydraulic pump provides the rear axle, the suspension system and the outrigger system with
hydraulic oil.
8.3. Filters
There are three filters present in the hydraulic system, which need to be replaced according to
§ 5.3.6. Maintenance schedule hydraulic system truck .
The following sections describe the filters mentioned below:

Hydraulic fine filter;

Hydraulic coarse filter;

Hydraulic fine filter at rear axle steering.
CONDITIONS

The truck must be standing horizontally;

The oil temperature must be below 40 °C;

All axles must be fully retracted;

The outriggers and outrigger beams must be fully retracted;

The axle blocking may not be enabled.