Next up is the slewing mechanism (Page 14)
Note: On this electrical motor one needs to solder the leads and the diodes to limit interference.
The axle is sitting too high.
Axle in correct position
Mechanism installed - tried installing the bushing for the excavator's arm. Bushing needs some adjustments as it is too wide.
While at it, installed the bushings for the hydraulic cylinders. Very tight they are. Ended up using 2 ice cream sticks and pressing the bushings in place by squeezing one in between them. (I knew there was a reason to keep those sticks around!)
Adjusted bushing for the excavator's arm
After being side tracked by this, installed the hydraulic pump
You will need a 10mm and 13mm wrench to install connectors to the pump.
The rubber dampers came installed on the pump. The spacers are installed with 6mm long M3 grubscrews half in the spacers and half in the rubber damper.
In position
Now we tackle the valve block (page 15)
All nipples installed with plenty of sealant. Note, there is an error in the manual, says to use one 4mm and one 6mm at the side of the pump, both should be 6mm. The right parts are with the kit however. (I substituted a 4mm for a 6mm in the picture above. - I had ordered some spares)
Trimmed the servo horns with scissors and filed the sharp bits smooth.
Installed and servo holder attached
Beautifully machined, so another picture.
Installing grubscrew to attach the spacers
And installed in position (already attached one of the oil lines because so close to the pump, easier this way)
Married top and bottom (had to remove the slewing mechanism)
Installed power/signal throughput to lower part (page 13)
It attaches with 2 screws and is held "floating" with 2 messing spacers.
It can be installed with the slewing mechanism in place but it is a bit of wiggling.
Yup ... had to do it all over again because I forgot the 3D printed cover ...
Power and signal through at the bottom and being connected to the ESCs.
To accommodate the 2 pos and 2 neg plugs, I soldered 2 female plugs to the wires and shrink wrapped them. Used 2mm plugs.
Put on blocks to test the electronics for the tracks and slewing.
very messy set up for testing ...
To be continued ...
Cheers
Stephan