Hydraulics question (Embarrassed) lol

gslabbert5119 · Aug 29, 2018

I have had my rig for over 2 years and have never noticed the 2 valves on the hydraulic system. Can someone please tell me what they are and how they function.
(Image needs to be rotated to the right)

Additionally it appears that I need hydraulic fluid, does one lower the hydraulics prior to filling the reservoir as I suspect that it will overflow if I fill it to the fill line then lower the rig and lift up the legs, and is there any specific hydraulic fluid that I should use ?

SLO · Aug 29, 2018

Have slides in and all landing gear and front jacks raised. Then fill tank to fill line. Two knobs are for rear hydraulic slides. Screwing in one knob clockwise will prevent that slide from moving. Sometimes there’s labels, door and off door to indicate which knob is for which slide. If no labels you’ll have to experiment and label them yourself.

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Alan_B · Aug 29, 2018

gslabbert5119 said:
...Can someone please tell me what they are and how they function...

Additionally it appears that I need hydraulic fluid, does one lower the hydraulics prior to filling the reservoir as I suspect that it will overflow if I fill it to the fill line then lower the rig and lift up the legs.

I don’t know about the valves. As far as filling the hydraulic fluid reservoir, I believe you fill it with all slides and landing legs retracted. This makes the job rather awkward as you need to access the front bay while hooked to the truck (so the front landing legs are retracted).

gslabbert5119 · Aug 29, 2018

SLO said:
Have slides in and all landing gear and front jacks raised. Then fill tank to fill line. Two knobs are for rear hydraulic slides. Screwing in one knob clockwise will prevent that slide from moving. Sometimes there’s labels, door and off door to indicate which knob is for which slide. If no labels you’ll have to experiment and label them yourself.

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Many thanks, I will test them and label them.
Hopefully they are not partly screwed in or out, and I guess fully turn to the left releases the slide.

Question...
Why would I want to lock the slides via the hydraulics ?

Gavin

danemayer · Aug 29, 2018

gslabbert5119 said:
Many thanks, I will test them and label them.
Hopefully they are not partly screwed in or out, and I guess fully turn to the left releases the slide.

Question...
Why would I want to lock the slides via the hydraulics ?

Gavin

Let's say you're at a rest stop and want to open the slide with the refrigerator but there's no room on the other side to open that slide. You can shut off the operation of the slide you don't need to open.

gslabbert5119 · Aug 29, 2018

danemayer said:
Let's say you're at a rest stop and want to open the slide with the refrigerator but there's no room on the other side to open that slide. You can shut off the operation of the slide you don't need to open.

Oh totally cool, would never have thought of that. I have a pole next to the transformer in my yard, and many times I have had to move the rig because I wanted to open the slides, now I have a solution.

Thanks

Gavin

jbeletti · Aug 29, 2018

gslabbert5119 said:
Oh totally cool, would never have thought of that. I have a pole next to the transformer in my yard, and many times I have had to move the rig because I wanted to open the slides, now I have a solution.

Thanks

Gavin

Gavin - thank you for asking all of these questions. Not only are the forum experts here giving you great feedback, you're learning and others who've wondered some of the same things are also learning.

Keep them coming in separate threads in relevant sub-forums, just as you have been

PondSkum · Aug 30, 2018

I had no idea about the valves, because I have electric slides. But I just learned some good info for if I ever get a rig with hydraulic slides!

As for the fluid level, you want all the legs and slides to be retracted in before filling. As they extend, your fluid is going into the cylinders to extend them, therefore the level in the tank goes down. If you fill it with them extended, then when they retract, the fluid in the cylinders return to the tank, and will overflow the tank and you will have a big mess to clean up..

rhodies1 · Aug 30, 2018

Unless Heartland has made a change recently,You need to use automatic transmission fluid as your hydraulic fluid.

Kathi-27 · Aug 30, 2018

just check mine the bottom knob is dinning, top is kitchen

Hydraulics question (Embarrassed) lol

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