Manitou starting issue

Landrover

Member
Help ! Gone to the manitou this morning and it won't start ! Turning key and nothing happening ! Dash lights up, relay working when tested, had a new starter around 800hrs ago, going to test starter when I can get to it it's a Perkins model 634 120
 

ACEngineering

Member
Location
Oxon
Help ! Gone to the manitou this morning and it won't start ! Turning key and nothing happening ! Dash lights up, relay working when tested, had a new starter around 800hrs ago, going to test starter when I can get to it it's a Perkins model 634 120

Might be a duff starter, bad battery connection.

under the dash is a white block connector well hidden supply's power to the ignition switch and the fuse board.

If its got steering column f/r lever then could be that or if JSM joystick could be the f/r switch on that affecting the safety start system.

Oh there is a fuse for the starter as well above the main fuse board, they like to blow for no good reason some times!
 

Landrover

Member
Fuse not blown, relay working,I can here clicking when I work the forward/reverse rocker on the joystick I will have to try to get to the starter now ! Thanks for help so far !
 

manhill

Member
Starter solenoid contacts accessible?
Into neutral, +ve touched on solenoid small contact (spade usually) should pull in the contactor and turn over. At least will get you going and you can work back from there at your leisure.
 

ACEngineering

Member
Location
Oxon
Fuse not blown, relay working,I can here clicking when I work the forward/reverse rocker on the joystick I will have to try to get to the starter now ! Thanks for help so far !

if powershift model is the LED panel for gears lit up? if not the pin in the PCB board that supply's the power to trany ECU likes to corrode. Also rats like to chew the wires off the ECU wiring loom plug! you will have to short starter out to run it and lift the boom to access the ECU though.
 

Landrover

Member
Starter working fine when shorted out so it's not that ! Problem between ignition and starter somewhere ! Chap coming later to look at it !
 

Landrover

Member
Had chap out this evening, it's something to do with the starter relay, won't start with a new relay in but will with a short wire in place of it bypassing the safety switches ! Any ideas ?
 

ACEngineering

Member
Location
Oxon
Had chap out this evening, it's something to do with the starter relay, won't start with a new relay in but will with a short wire in place of it bypassing the safety switches ! Any ideas ?

Is he using the correct spec relay? sometimes the solder on the back of the PCB board comes loose, you can take the board out and just re solder them normally.

or he will need to trace all the relay inputs. if it works when bridged with a wire then you at least know them 2 pins are okay, that leaves the signal in from the f/r lever switch as being the more likely problem so trace it back. BUT first fit a genuine Hella relay exactly the same as original. if its the one I think it is its about £12 from manitou.
 

trook135

Member
Location
Hampshire
As long as it’s not like I did when I must have knocked the emergency stop button by accident when changing the radio, I didn’t even think about it, had me scratching my head for sure!!
 
I bought a used 630-120 last year and on second day it refused to start after my son had been sat playing with the controls. Two hours of demolishing the dash,and testing circuits ( not easy on your own ) and I found a false extra windscreen wiper switch looped in as an immobilizer. Very clever but wish I'd been told!
 

ACEngineering

Member
Location
Oxon
I bought a used 630-120 last year and on second day it refused to start after my son had been sat playing with the controls. Two hours of demolishing the dash,and testing circuits ( not easy on your own ) and I found a false extra windscreen wiper switch looped in as an immobilizer. Very clever but wish I'd been told!

Someone been pinching my ideas:whistle:
 

4x4plant

Member
Had chap out this evening, it's something to do with the starter relay, won't start with a new relay in but will with a short wire in place of it bypassing the safety switches ! Any ideas ?
Hi there how did you sort out your problem think I have the same issue but a 2012 with power shift Merc engine any pointers would greatly appreciated as doing my fruit cake
 

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