I had a slight child mishap, and the drive belt for the carousel fell off. I have since replaced the drive belt and have gotten the carousel to close most of the way, but was wondering what the correct gear alignment scheme is. Can you please assist me?
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Most of the carousels are driven by a small motor through a gear train, but some are belt driven. You would have to look underneath the carousel to determine what the mechanism is. If it's belt driven, make sure the belt isn't slipping. With the changer unplugged, find the carousel motor, then gently turn it by hand (make sure you are turning it in the correct direction) to check for excess friction, broken gears, jamming by a foreign object, or slipping. If you hit a hard stop while turning the motor DO NOT FORCE IT. Investigate the stop; it's probably your problem. Some changers rotate the motor in one direction to turn the carousel and in the other direction to clamp the CD in the spindle mechanism. If the spindle clamp is hung up, this will prevent the carousel from turning.
Hi Scott, Work evolved in replacing a water pump depends on the vehicle. Some vehicles have the pump driven by the timing belt, while others drive via a 'V' belt or PK (Serpentine belt) If your is the latter, take a few photographs of the lacing for the reassembly before doing any disassembly. If it is a vehicle using the timing belt, photograph the serpentine belt and then remove it and the timing cover. Before removing the timing belt, rotate the engine to TDC and align the timing marks before taking off the belt. It is always a good idea to paint a spot of white paint onto the gears and the engine. Once the match marks have been identified and aligned, loosen the tensioner bearing fully before removing the belt. When refitting, set the marks by adjusting the belt alignment on the opposite side to the side fitted with the tensioner. Once aligned, retention and check the alignment again. If you're happy turn the engine by hand at least four times and recheck the matching up of the marks each second turn. Changing the water pump is straight forward and child's play compared to the associated work. Regards John
I was under the impression that the third belt is a larger belt that rotates the carousel, and it is located under the carousel -- so you would have to lift/remove the carousel to get to it (which would probably give you some new problems). I could be wrong about this, but that's the impression I've gotten from everything I've learned about the CX400. If you're having problems with your unit, the third belt might NOT be the cause of it. If you're not having problems you'd probably be better off leaving that third belt alone. Best of luck to you. Hopefully somebody else will chime in with some useful info.
On the 2840,one reason why the carousel gets out of alignment is because non HP cartridges were used and they were leaking toner. The leaking toner gets into the carousel gears and causes them to jump a couple of teeth.
If you have a warranty HP will fix the problem under warranty repair. However, if you were using non HP cartridges you will be billed. If your problem is non aligned gears, you won't need parts. The gears will have to be aligned and vacuumed. It doesn't require dismantling the printer. If you do have to pay, it should only be an hour of labor.
Does it print good? If the printing is good, the carousel isn't out of alignment. Don't fix it if it isn't broke.
Disconnect the negative battery cable, then partially drain and recover the cooling system.
Remove the coolant recovery reservoir.
If equipped, remove the A/C belt.
Remove the serpentine belt.
Disconnect the evaporative emission pipe assembly.
Remove the crankshaft pulley assembly.
As outlined earlier, remove the timing belt front cover.
Align the marks on the crankshaft sprocket with the marks on the rear timing belt cover by rotating the crankshaft.
Loosen the water pump retaining bolts, and release the tension with tool J 33039-A or equivalent.
Carefully lower the vehicle, then remove the timing belt.
Fig. 12: Timing belt installation and tightening specifications — 1993–94 2.0L OHC engines
Turn the crankshaft and camshaft gears clockwise to align the timing marks on the gears with the timing marks on the rear cover.
Install the timing belt, making sure that the portion between the camshaft gear and crankshaft gear is in tension.
Using tool J 33039-A, or equivalent adjustment tool, turn the coolant pump eccentric clockwise until the tensioner arm contacts the high torque stop. Tighten the water pump screws slightly.
Turn the engine by the crankshaft gear bolt 720°clockwise to fully seat the belt into the gear teeth.
Turn the coolant pump eccentric counter clockwise until the hole in the tensioner arm is aligned with the hole in the base. This must be done with the engine at room temperature, approximately 68°F (20°C).
Tighten the water pump screws while checking that the tensioner holes remain as adjusted as in step 15.
As outlined earlier, install the timing belt cover.
Install the crankshaft pulley.
Connect the evaporative emission pipe assembly.
Install the serpentine drive belt and the A/C belt (if equipped).
Install the coolant recovery reservoir.
Properly fill the cooling system, then connect the negative battery cable.
The Sony call center says the two belts are the same size. Supposedly, there is a third belt "under the motor board" but I have not been able to find it. That is the 42x1.2 (4219362601). The two easy ones to replace are 421606101 and only cost 1.95 from Sony.