zwhb7130 Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › zwhb7130 This topic has 3 replies, 3 voices, and was last updated 11 years ago by dopper. Viewing 4 posts - 1 through 4 (of 4 total) Author Posts April 2, 2015 at 4:00 pm #84595 dopperParticipant think its got a blocked pressure chamber anyway to get in to these its a sealed drum April 2, 2015 at 4:56 pm #426197 SeamyParticipant Re: zwhb7130 The Air Chamber cover comes off, its got 2 clips holding it in place. Can’t you blow down pressure tube & release blockage ? April 9, 2015 at 8:05 am #426198 dopperParticipant Re: zwhb7130 cheers i will have another look April 9, 2015 at 8:42 am #426199 MartinParticipant Re: zwhb7130 Get your syringe out dop, fill it with hot water and flush down the air pressure tube for a good blow out! Author Posts Viewing 4 posts - 1 through 4 (of 4 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In