PLATE 1S8753 - Caterpillar

Overview of Connections
Possible damage to the hydraulic system.
Always couple and uncouple in the correct boom and dozer blade position.
Before coupling or uncoupling hoses, stop the power pack and the engine of the excavator.
Note: Do not travel across flexible hydraulic lines or connecting cables.Note: The hydraulic hoses of the power pack must be connected to the excavator before switching on the power pack.
Illustration 1 g06091360Coupling the 300.9D VPS Excavator to the Power Pack
Place the machine and the power pack at an open area, on flat, solid ground.
Illustration 2 g06100168
Position the upper structure as shown.
Swing the upper structure to position the dozer blade behind the operator and to allow access to the Power Pack-connection points on the lower structure.
Illustration 3 g06100215
Lower the blade to the ground.
Extend the stick and the bucket fully. Lower the boom so that the bucket is rested on the ground.
Shut off the engine.
Cycle the joysticks to relieve any pressure remaining in the hydraulic lines.
Move the hydraulic lockout control lever to the RAISED position.
Make sure that the Power Pack is switched off.
Illustration 4 g06091363
Pull out split pin (A) and pin (B) (at the front and rear) on the power pack and remove lance (C) from the power pack.
Install the pin and the split pin on the power pack again.
Illustration 5 g06091364
Insert lance (C) in the holder on the excavator and secure the lance with pin (B) and split pin (A).
Possible damage due to use of different hydraulic oil.The power pack and excavator must be fitted with Cat HYDO Advanced 10 or equivalent. Operation is prohibited if other oil types/grades or biodegrade hydraulic oil is used.
Illustration 6 g06091822
Connect the hydraulic hose connections (D) to the power pack.Note: Use caution and wear protective gloves when making hydraulic hose connections.Note: Use a suitable container and discard spilled oil according to local regulations.
Illustration 7 g06091825
Connect the hydraulic hose connection (D) to the excavator.
Connect the hydraulic hose connection (E) to the excavator.
Illustration 8 g06091829
Tighten clamping screw (F) and fasten the hose on the lance as shown.Uncoupling
Possible damage to the hydraulic system.
Always couple and uncouple in the correct boom and dozer blade position.
Before coupling or uncoupling hoses, stop the power pack and the engine of the excavator.
Illustration 9 g06092254
Uncouple the hydraulic hose connection (E) from the excavator.
Uncouple the hydraulic hose connection (D) from the excavator.
Illustration 10 g06092256
Uncouple the hydraulic hose connections (D) from the power pack.Note: Use caution and wear protective gloves when disconnecting hydraulic hose connections.Note: Use a suitable container and discard spilled oil according to local regulations.