Gravely GLT 500 Series 987103 Parts Manual
![Gravely GLT 500 Series 987103 Tractor manual cover](/images/ZMKhKLXgeHLqrqbbcapNVayn/thumbs/thumb175x175.webp)
The recommended engine oil type for the Gravely GLT 500 Series 987103 Tractor is SAE 10W-30 for general use, ensuring it meets API service classification SJ or higher.
It is advised to change the oil in your Gravely GLT 500 Series 987103 Tractor every 50 hours of operation or at least once per season, whichever comes first.
Possible causes for the Gravely GLT 500 not starting include a dead battery, faulty spark plugs, clogged fuel filter, or issues with the ignition switch.
To store your Gravely GLT 500 for winter, clean it thoroughly, perform maintenance checks, add fuel stabilizer, disconnect the battery, and cover it to protect against dust and moisture.
To replace mower blades, ensure the tractor is on a flat surface, safely lift the mower deck, remove the blade bolts, replace with new blades, and securely fasten them.
Check for dull blades, uneven tire pressure, improperly adjusted mower deck, or debris build-up causing the uneven cutting issue.
Regular maintenance includes checking and changing the oil, inspecting and cleaning the air filter, sharpening blades, checking tire pressure, and inspecting belts and cables.
Yes, you can use ethanol-blended fuel up to 10% ethanol (E10). Avoid using higher ethanol blends as they can damage the engine components.
To adjust the mowing height, use the height adjustment lever located on the mower deck. Set it to the desired cutting height, ensuring the deck is level.
If the tractor overheats, check for obstructions in the cooling fins, ensure the radiator is clean, verify coolant levels, and inspect the fan belt for proper tension.