MODEL INFORMATION: Riding Mower Spindle Assembly compatible with for Troy-Bilt TB2454 Super Bronco 54 Super Bronco 54 GT Mustang 54 XP; for ZT-L54 KH ZT-S54 KH for T8400 G8600 G8400 Z6900 Z6600 CGT5426 CSLT5424; for RZT-L54 RZT-L54KH RZT-L54KW RZT-LX 54 RZT-S54 RZT-S54KH RZT-S54KW XT1-GT54 XT1-ST54 XT2-GX54. LOCATION OF GREASING A LAWN MOWER: The grease fittings are situated on the back of the spindle. The front axle spindles are easy to locate and access. They can be found on the rear side of the left and right front axle spindles. Locate each of the zerk fittings on the mower's cutting spindles.. IMPACT OF SPINDLE IMBALANCE: Shaft or rotating mass imbalance not only impairs production quality it can also precipitate premature bearing failure.. KNOWLEDGE OF LUBRICATION: If an air-oil lubrication system is used, clean dry air is an absolute must for long spindle life. All air from air compressors should be dry and filtered. The lubricant must likewise be clean and free from moisture.. WARM TIPS: To prevent ingression through shaft seals it is imperative that these be properly installed and maintained. Avoid directing tool coolant at shaft seals. Additionally, chips and debris should not be allowed to build up to the point of contacting the shaft seal..
