Questions about changing paddles on 721QZE - Snowblower Forum : Snow Blower Forums
 
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post #1 of 8 Old 01-25-2019, 06:54 AM Thread Starter
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Question Questions about changing paddles on 721QZE

I just changed paddles/scraper bar on my 721QZE. Two questions:

  1. The paddles look "directional" - one side the rubber is thicker than the other. The instructions that came with paddles and the manual said nothing about which way to orient them. I ended up guessing the part with thicker rubber should be leading edge, just surprised I couldn't find any info about this, so not sure it matters.
  2. I tipped the machine back onto the handlebar in order to access the paddles and scraper bar for removal. When I was done, I found a nice puddle of oil on the ground. The manual said not to tip the machine onto its NOSE - opposite of what I did. Where did oil come from?

Its like a new machine with new paddles! I forgot how much of a self-propelling action there was when the machine was new. I feel like I need to hold the machine back in order to not have it run away from me!
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post #2 of 8 Old 01-25-2019, 07:10 AM
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You can install them in any direction, but I remember reading the the rubber should be facing the front and the belts(threads) should face the rear of the auger housing when the auger is in the 12 o'clock position. I just found this video, at the 3:25 mark, he explains the orientation of the paddles.

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post #3 of 8 Old 01-25-2019, 08:25 AM Thread Starter
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Thanks, thats the way I oriented the paddles (phew!)

Still curious where all the oil came from - guy in video has machine tipped back just like I did.
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post #4 of 8 Old 01-25-2019, 09:25 AM
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Oil probably came from breather tube


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post #5 of 8 Old 01-25-2019, 09:27 AM
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Just clean up oil and check oil level .


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post #6 of 8 Old 01-25-2019, 09:32 AM
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Also FYI about paddles you got it right threads to back side. Rubber to the front On paddles there should be a small hole near working edge This is the wear indicator. When wear reaches hole time to replace paddles


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post #7 of 8 Old 01-25-2019, 10:33 AM Thread Starter
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Quote:
Originally Posted by groomerz View Post
Oil probably came from breather tube
Yes, it did seem to come from the breather tube. I did check/add oil when I was all done.

Any way to prevent this when I tip the machine back? I ask because was going to replace scraper bar/paddles on my dad's 721R next. Thanks!
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post #8 of 8 Old 01-25-2019, 11:21 AM
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Quote:
Originally Posted by djc6 View Post
Yes, it did seem to come from the breather tube. I did check/add oil when I was all done.

Any way to prevent this when I tip the machine back? I ask because was going to replace scraper bar/paddles on my dad's 721R next. Thanks!
Drain the oil, when done put it back in.

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