When using the mill portion of the Central Machine (Harbor Freight) Model T5980 Lathe/Mill, the motor will not start by itself. I have replaced the Capacitor which was leaking and it still cannot overcome the belt and pulley friction. (belts/pulleys are not tight). If I give the motor a spin,it will take off and run normally under load. The motor does not have a Start Switch built in. (centrifugal)
No smoke when running or arc traces noted when I took the motor apart. Windings look normal. No shorts or grounds. Armature ohms out OK. Bearings sealed and very smooth.
ON/OFF Switch is good.
The motor does not have a model number that can be cross referenced to an American motor.
Nor is there a HP rating. With the Watts listing and current draw,I think the motor is 1/2 HP. ( or a large .33HP)
The model listed is a YYH71M4.
What I would like to find out is it a 56C frame type motor?
The motor has a body 7 1/2" long
5" in diameter
5/8" shaft
shaft is 1 1/2" long and keyed
1640 RPM
30 uF capacitor
The motor mounts to an end-bell flange (4 bolt) cast iron and has the belt tension-er built in. This mount holds the motor via 3 adjustable U-slots and bolts.
I have read that these motors are poorly made and fail frequently.
While this motor runs well,it cannot start with any type of load on the shaft without me helping it. I can stall it by holding the shaft. (I would never do this unless I knew the motor had problems)
I'm sure it's on it's last legs.
Any ideas as to a good replacement motor that is reasonably priced. And what is the proper frame size?
Than you for your help.
No smoke when running or arc traces noted when I took the motor apart. Windings look normal. No shorts or grounds. Armature ohms out OK. Bearings sealed and very smooth.
ON/OFF Switch is good.
The motor does not have a model number that can be cross referenced to an American motor.
Nor is there a HP rating. With the Watts listing and current draw,I think the motor is 1/2 HP. ( or a large .33HP)
The model listed is a YYH71M4.
What I would like to find out is it a 56C frame type motor?
The motor has a body 7 1/2" long
5" in diameter
5/8" shaft
shaft is 1 1/2" long and keyed
1640 RPM
30 uF capacitor
The motor mounts to an end-bell flange (4 bolt) cast iron and has the belt tension-er built in. This mount holds the motor via 3 adjustable U-slots and bolts.
I have read that these motors are poorly made and fail frequently.
While this motor runs well,it cannot start with any type of load on the shaft without me helping it. I can stall it by holding the shaft. (I would never do this unless I knew the motor had problems)
I'm sure it's on it's last legs.
Any ideas as to a good replacement motor that is reasonably priced. And what is the proper frame size?
Than you for your help.