When servicing the brakes yesterday and following the Meritor instructions on greasing I had the thought that whoever wrote the instructions had never actually done it. How do you grease the fittings while holding your finger over the relief valve? My grease gun takes two hands where does the extra finger come from? I took the fitting out and plugged it to grease as needed. You have to remove the relief valve at the end to purge the extra grease out anyway.
Not being smart but I use a pistol grip gun.
You need a rubber hose to get to the fittings. I tried the pipe that is usually on the gun and put had to put a hose on it. Brackets interfere with the solid pipe. I use a pistol grip also, one hand holding on the hose one hand on the gun.
An assistant?
I can see the look on my DW's face when I ask her to crawl under the coach and put her finger on the relief valve.
The relief valve threads were the same as one of my loader grease fittings haven't pulled any off the coach yet to see if they are the large thread or small thread.
If one of our sons had happened by guess what!
additional pictures and the suggestion of using a large grease fitting to plug the relief valve during servicing. Disclaimer do not leave the fitting in. If you are following instructions the last step is to remove the relief valve and purge the slack adjuster so you would put the relief valve back in at this point. The gun and adaptors in the picture didn't work, needed a flex hose. If I had to do this more often than 100,000 miles I might come up with a different setting for the fittings in the picture.
Am I missing something, the title says greasing the slack adjusters, it looks to me like you are greasing the caliper.
That is what Meritor calls it. Page 13