Product Description
Brush set
Frequently Asked Questions
Q: What does the HY 79645 brush set do in a Hyster electric pallet jack?
A: The HY 79645 brush set contains carbon brushes used in the electric motor or generator circuit of Hyster electric lift trucks. Brushes maintain electrical contact between the rotating armature and stationary commutator, enabling current flow and motor operation. Brush wear is normal and requires periodic replacement.
Q: How many brushes are included in the HY 79645 set and what are their dimensions?
A: The exact brush count and dimensional specifications for the HY 79645 set are not published in standard parts references. Refer to your Hyster motor or generator manual to confirm brush quantity and size. This ensures you order the correct replacement set for your equipment.
Q: Which Hyster electric truck models use the HY 79645 brush set?
A: The HY 79645 brush set is used in various Hyster electric lift truck models with DC or AC motors. Check your equipment documentation or motor nameplate to confirm compatibility. Different motor types and voltage ratings may require different brush specifications.
Q: What carbon material grade is used in the HY 79645 brushes?
A: The specific carbon grade and material composition of the HY 79645 brushes are not documented in accessible catalogs. Carbon brushes vary by motor type, amperage rating, and operating environment. Verify the correct grade from your motor technical documentation.
Q: How do I know when the HY 79645 brush set needs replacement?
A: Brush wear symptoms include reduced motor power, arcing at the commutator, abnormal noise, or intermittent operation. Brushes reach end of life when they wear down to the spring attachment point. Regular inspection through your motor access covers helps identify worn brushes before failure occurs.
Q: Is the HY 79645 a complete brush set or individual brushes?
A: The HY 79645 designation indicates a complete brush set configured for Hyster motor use. The set includes all brushes needed for a specific motor model. Ordering by set designation ensures you receive matched brushes with correct spring tension and seating.