Husqvarna 414EL Operation Manual - Page 26

MAINTENANCE General The user must only carry out the maintenance and service work described in this manual. More extensive work must be carried out by an authorized service workshop. Checking, maintaining and servicing chain saw safety equipment WARNING! Always unplug the chainsaw ! from the power supply before any assembly, maintenance and/or checking is done on the machine. Note! All servicing and repair work on the machine requires special training. This is especially true of the machine′s safety equipment. If your machine fails any of the checks described below we recommend you to contact our servicing dealer. Chain brake and front hand guard Checking the front hand guard • Make sure the front hand guard is not damaged and that there are no visible defects such as cracks. (75) • Move the front hand guard forwards and back to make sure it moves freely and that it is securely anchored to the machine. (76) Checking the inertia brake release • Place the chain saw, deactivated, above a stump or other stable surface. Release the front handle and let the chain saw fall by its own weight, rotating around the rear handle towards the stump. When the bar hits the stump the brake should be activated. (77) Checking the brake trigger • Activate the chain saw. Make sure the saw chain does not touch the ground or any other object. See instructions under the heading Starting and stopping. • Grasp the chain saw firmly, wrapping your fingers and thumbs around the handles. (44) • Apply full power and activate the chain brake by tilting your left wrist forward onto the front hand guard. Do not let go of the front handle. The chain should stop immediately. (78) Power trigger lockout • Make sure that the power trigger is locked at the idle setting when the power trigger lockout is released. (79) • Press the power trigger lockout and make sure it returns to its original position when released. (80) • Check that the power trigger and power trigger lockout move freely and that the return springs work properly. (81) • Activate the chain saw and apply full power. Release the power trigger and check that the saw chain stops and remains stationary. Chain catcher • Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw. (82) Cooling system To keep the working temperature as low as possible the machine is equipped with a cooling system. The cooling system consists of: 1 Air intake (under the power trigger). 2 A fan on the motor. • Clean the cooling system with a brush once a week, more often in demanding conditions. A dirty or blocked cooling system results in overheating which causes damage to the machine. 26 - English