HWH jack wont extend, 94pt
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08-05-2008, 13:06
Post: #1
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HWH jack wont extend, 94pt
I was preping my bus for radiator removal/rodding and new compressor
cooling lines today and I jacked the jack. I attempted to lift the back end using two 8x8 timbers under the jack pads to gain some height for frame jacksstands. the drivers side timber abruptly rolled a bit in the gravel so I decided to drop the bus and use wider blocks under the pads. the jacks retracted and I was never able to get the drive/rear jack to extend once again? The 94 hwh control pad only allow you to choose a pair of jacks or auto level ;Both front ;both back ;both left ;both right or auto level. I tried every combination to extend Drive/rear jack, no luck. I wonder if I Knocked a sensor loose on the jack or confused the hwh computer? GregoryO'Connor 94ptRomolandCa |
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08-05-2008, 13:21
Post: #2
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HWH jack wont extend, 94pt
Gregory,
Don't forget when the rear wheels come off the ground the bus can roll since the spring brakes are on the rear wheels only. Be sure you have really big and strong wheel chocks on the front. Not those cheesy stamped steel ones. Gardner 83FC35 --- In WanderlodgeForum@yahoogroups.com, "Gregory OConnor" > > I was preping my bus for radiator removal/rodding and new compressor > cooling lines today and I jacked the jack. I attempted to lift the > back end using two 8x8 timbers under the jack pads to gain some > height for frame jacksstands. the drivers side timber abruptly rolled > a bit in the gravel so I decided to drop the bus and use wider blocks > under the pads. the jacks retracted and I was never able to get the > drive/rear jack to extend once again? > > The 94 hwh control pad only allow you to choose a pair of jacks or > auto level ;Both front ;both back ;both left ;both right or auto > level. I tried every combination to extend Drive/rear jack, no luck. > > I wonder if I Knocked a sensor loose on the jack or confused the hwh > computer? > > GregoryO'Connor > 94ptRomolandCa > |
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08-05-2008, 14:02
Post: #3
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HWH jack wont extend, 94pt
Greg Every once and a while the switch on mine that is suppose to sense that the brakes are set doesn¢t work right. It is located in the generator compartment high to the left with either a green or green / white wire to both sides (this is from memory, an almost 60 yr old memory). Try to jump the switch and see if it works. Steve Quandt 1993 PT-40 ----- Original Message ---- From: Gregory OConnor To: WanderlodgeForum@yahoogroups.com Sent: Tuesday, August 5, 2008 8:06:15 PM Subject: [WanderlodgeForum] HWH jack wont extend, 94pt I was preping my bus for radiator removal/rodding and new compressor cooling lines today and I jacked the jack. I attempted to lift the back end using two 8x8 timbers under the jack pads to gain some height for frame jacksstands. the drivers side timber abruptly rolled a bit in the gravel so I decided to drop the bus and use wider blocks under the pads. the jacks retracted and I was never able to get the drive/rear jack to extend once again? The 94 hwh control pad only allow you to choose a pair of jacks or auto level ;Both front ;both back ;both left ;both right or auto level. I tried every combination to extend Drive/rear jack, no luck. I wonder if I Knocked a sensor loose on the jack or confused the hwh computer? GregoryO'Connor 94ptRomolandCa |
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08-05-2008, 15:54
Post: #4
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HWH jack wont extend, 94pt
Steve and Gardner, thanks both good info to add. I got a call from
Canada with the fix (RobR 93pt)It seems as the jolt was enough to knock a poor ground wire loose on the jack. I reached ontop of the jack and fiddled with the 3 wires and the jack extended with the next attempt. As per Gardners post I set the tires down with a ton or two to keep it from rolling. my bus is in gravel so I can steam the engine while the radiator is out and I fear a chock will just skid. On the PT the tag has no park brakes. when you think about it if the drive axle bags bleed out, the bus would take off rolling on the steer and tag!!!!!!! Steve is that brake switch in the the generator radiator Bay? GregoryO'Connor 94ptRomolandCa --- In WanderlodgeForum@yahoogroups.com, Stephen Quandt > > Greg > Every once and a while the switch on mine that is suppose to sense that the brakes are set doesn¢t work right. It is located in the generator compartment high to the left with either a green or green / white wire to both sides (this is from memory, an almost 60 yr old memory). > > Try to jump the switch and see if it works. > > Steve Quandt > Iron Mountain, MI > 1993 PT-40 > > > > ----- Original Message ---- > From: Gregory OConnor > To: WanderlodgeForum@yahoogroups.com > Sent: Tuesday, August 5, 2008 8:06:15 PM > Subject: [WanderlodgeForum] HWH jack wont extend, 94pt > > > I was preping my bus for radiator removal/rodding and new compressor > cooling lines today and I jacked the jack. I attempted to lift the > back end using two 8x8 timbers under the jack pads to gain some > height for frame jacksstands. the drivers side timber abruptly rolled > a bit in the gravel so I decided to drop the bus and use wider blocks > under the pads. the jacks retracted and I was never able to get the > drive/rear jack to extend once again? > > The 94 hwh control pad only allow you to choose a pair of jacks or > auto level ;Both front ;both back ;both left ;both right or auto > level. I tried every combination to extend Drive/rear jack, no luck. > > I wonder if I Knocked a sensor loose on the jack or confused the hwh > computer? > > GregoryO'Connor > 94ptRomolandCa > |
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08-05-2008, 22:41
Post: #5
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HWH jack wont extend, 94pt
Greg Yes the switch is in the generator bay.
1993 PT-40 From: Steve and Gardner, thanks both good info to add. I got a call from with the fix (RobR 93pt)It seems as the jolt was enough to knock a poor ground wire loose on the jack. I reached ontop of the jack and fiddled with the 3 wires and the jack extended with the next attempt. As per post I set the tires down with a ton or two to keep it from rolling. my bus is in gravel so I can steam the engine while the radiator is out and I fear a chock will just skid. On the PT the tag has no park brakes. when you think about it if the drive axle bags bleed out, the bus would take off rolling on the steer and tag!!!!!!! Steve is that brake switch in the the generator radiator Bay? GregoryO'Connor 94ptRomolandCa --- In "WanderlodgeForum%40yahoogroups.com", Stephen Quandt > > Greg > Every once and a while the switch on mine that is suppose to sense that the brakes are set doesn¢t work right. It is located in the generator compartment high to the left with either a green or green / white wire to both sides (this is from memory, an almost 60 yr old memory). > > Try to jump the switch and see if it works. > > > > 1993 PT-40 > > > > ----- Original Message ---- > From: Gregory OConnor > To: "WanderlodgeForum%40yahoogroups.com" > Sent: Tuesday, August 5, 2008 8:06:15 PM > Subject: [WanderlodgeForum] HWH jack wont extend, 94pt > > > I was preping my bus for radiator removal/rodding and new compressor > cooling lines today and I jacked the jack. I attempted to lift the > back end using two 8x8 timbers under the jack pads to gain some > height for frame jacksstands. the drivers side timber abruptly rolled > a bit in the gravel so I decided to drop the bus and use wider blocks > under the pads. the jacks retracted and I was never able to get the > drive/rear jack to extend once again? > > The 94 hwh control pad only allow you to choose a pair of jacks or > auto level ;Both front ;both back ;both left ;both right or auto > level. I tried every combination to extend Drive/rear jack, no luck. > > I wonder if I Knocked a sensor loose on the jack or confused the hwh > computer? > > GregoryO'Connor > 94ptRomolandCa > |
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08-06-2008, 16:37
Post: #6
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HWH jack wont extend, 94pt
Greg,
I 've always wondered how these radiators come out. Do they slide out from the rear? How much of the body work needs to be removed? What do you think that beast weighs? David Brady '02 LXi, Ca -----Original Message----- |
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08-07-2008, 00:10
Post: #7
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HWH jack wont extend, 94pt
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