BMS Sniper T-1500 2S, Owner'S Manual

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2 -- oil drain bolt
When replacing the gear oil of the gearbox, preheat the engine for 5-6 minutes. After stopping, unscrew the
oil drain bolt at the lower part of the gearbox to let the oil flow out of the gearbox. After draining, screw on
the oil drain bolt, and add gear oil from the oil level
bolt hole or the vent hole on the top, the amount is about 400ml,
so as to overflow from the oil level bolt hole.
Maintenance of Cooling System
Cooling system is one of the necessary conditions to ensure the normal
operation of the engine, so it is necessary to ensure that there is enough
coolant in the engine, which must be checked before each departure, and
should be supplemented in time if insufficient.
1. Coolant
Since the engine cylinder block has no waterproof bolt, the use of water as
coolant is not allowed. And must choose aluminum alloy gasoline engine
Figure - 6