Maintenance and repair methods for jaw crushers

To ensure the normal operation of the jaw crusher, in addition to correct operation, planned maintenance must be carried out, which includes daily maintenance checks, minor repairs, medium repairs and major repairs.

(1) Minor repair: The main contents include inspecting and repairing the adjustment device, the gap of the high-speed discharge port, and turning or replacing the worn liner. Inspect and repair the transmission part, lubrication system and replace the lubricating oil, etc. The cycle for minor repairs is approximately 1 to 3 months.

(2) Medium repair: In addition to all the work of minor repair, it also includes replacing thrust plates, liners, inspecting and repairing bearing shells, etc. The cycle of medium repair is generally about 1 to 2 years.

(3) Major overhaul: In addition to all the work of medium overhaul, it also includes replacing or turning the eccentric shaft and the mandrel of the movable jaw, casting the Babbitt alloy on the upper part of the connecting rod head, and replacing or repairing all worn parts. The cycle of major overhauls is generally about five years. Imported pump

Ii. Lubrication of Oil-Free Bearings in Jaw Crushers

1. Regularly paying attention to timely lubrication of the friction surfaces can ensure the normal operation of the machine and extend its service life.

2. The type of grease used in this machine should be determined based on the usage location, temperature and other conditions. Generally, calcium-based, sodium-based or calcium-sodium-based grease can be adopted.