Coleman 1100 Pressure Washer


Old 06-24-06, 01:50 PM
Thread Starter
Join Date: Jun 2006
Location: Mississippi
Posts: 7
Coleman 1100 Pressure Washer

I have a Coleman 1100 Pressure Washer that had been working fine. Recently, after it's been running for a while (on high pressure), whenever I release the trigger and then re-squeeze it, rather than a steady high-pressure stream it begins to pulse.

Sometimes, but not often, it will revert back to a steady stream, but usually it remains delivering the water in a pulse mode. This makes the project take more than twice as long to complete.

Does anyone have any suggestions or recommendations of what I can to to resolve this problem and make it diliver a continuous steady high-pressure stream of water?

Thanks, Jerry
Sponsored Links
Old 06-25-06, 12:51 AM
cheese's Avatar
Forum Topic Moderator
Join Date: Jul 2001
Location: USA
Posts: 16,818
Sounds like the usual pressure washer component failure: the unloader valve. Either that, or your tip is clogged partially, creating too much pressure to build up in the high pressure hose. If the hose/tip are ok, increase the tension on the unloader spring if it's adjustable. I have increased spring tension by putting a small washer behind the spring inside the valve body on non-adjustable units. It usually only takes one or two thin washers.

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Thread Tools
Search this Thread
Display Modes