[Music] welcome to one of our alfa laval 360 degrees service and maintenance videos with alfa laval service you maximize the reliability and uptime of your equipment the result is superior performance throughout the lifecycle of your equipment performance that puts you ahead of the competition here we will focus on how to conduct service and maintenance on the standard alfa laval TJ 4 TG rotary jet head using our service kit with genuine alfa laval spare parts timely replacement of wear pants prevents costly damage follow the instruction manual regarding maintenance intervals and the use of service kits remember always read the instruction manual thoroughly to make sure you cover all maintenance steps this video only shows you some of the steps to maintain the Alfa Laval TJ 40g rotary jet head these tools are required each Alfa Laval service kit contains all the spare parts you need how to replace parts using a minor service kit start by removing the bushing from the planet gear frame then remove the planet gears please note that the to planet gear wheels are different one of the wheels has teeth where the upper and lower gears are aligned the other wheel features a displace herbal gear tooth sequence where the teeth are displaced by half a tooth position the planet gears on each planet gear shaft mount the planet gear bushing in the top of the planet gear frame use the impeller shaft to apply pressure to the planet gear bushing next remove the o-ring from the guide remove the bearing from the guide using a drift punch you insert the bearing for the top of the shaft into the guide and press in the bearing you insert the o-ring on top of the guide now remove the o-rings from the nozzles check the nozzles for foreign material mount the o-rings into the groove on the nozzles remove the o-rings from the stem new o-rings will be mounted during the final steps of assembly remove the bearing from the gearing using a drift punch you mount the bearing for the body on the gearing you after insertion make sure that the bottom of the bearing for the body is flush with the bottom of the gear ring [Music] you