Husqvarna 450 사용자 설명서

Check the engine oil level (B) daily with saw fully lowered and 

the engine level. See the enclosed Robin manual for more 

details.

Use SAE 10W-30 viscosity detergent automotive type with API 

service class SE or higher grade oil.

Note: Engine holds approximately 0.6 quart (0.6 liter) when 

changing.

The oil drain hose (A) is located at the rear of the saw.

1. With the engine OFF but still warm, remove the brass cap 

and drain the oil in a pan.

2. Replace the brass cap on the oil drain hose.

3. Fill the engine at the oil fill cap (B) with 0.6 quart (0.6 liter) of 

oil. When full, the oil level should be at the high level mark on 

the dipstick or to the top of the threads on the engine fill hole.

The engine is equipped with an oil alert system that will stop 

the engine if the oil level is low.

center, or dealer for safe disposal/recycling facility.

Please see the Robin Operator’s Manual for additional 

information about servicing the engine.

   

The manual also has specific information about specifications, 

tune-up parts, engine warranty, emission compliance, etc.

The air cleaner assembly (C) is a cyclone type that can be 

accessed from the hood on the saw. The air cleaner element 

should be replaced every 50 hours. Refer to the supplied en-

gine manual and the “Cyclone Dual-Filter-Element Type” for 

additional information.

Check all guards for damage and proper function daily espe-

cially the blade block. Blade block and cover should be secure 

to the saw and not damaged. Lexan side covers on the blade 

block should move freely up and down.

Inspect diamond blades daily for damage, cracks, secure fit 

to the arbor, loss of segments, warping or overheating. 

never use.

Inspect all controls for proper function daily. 

for proper operation.

Inspect the blade drive belt for cracks or signs of wear. The 

belt tension is controlled by belt tensioner and does not require 

adjustment. Inspect the belt tensioner for free movement up 

and down. Insure the belt tensioner bearings roll freely.

Lubricate the blade shaft bearings with 3 pumps of Lithium 12 

based grease every 50 hours.

 

 

 

 

 

 

 

Check guarding, diamond blade,   

 

skid plate, lexan covers, controls and oil levels.

Clean blade block assembly and saw. 

 

Daily 

Replace air cleaner. 

 

 

Every 50 hours 

Replace engine oil.  

 

 

Grease blade shaft bearings. 

 

Every 50 hours 

Check blade drive belt and belt tensioner. 

Clean the blade block of any excess concrete build up after 

each use. Keep the handle bar and controls clean and dry. Im-

mediately clean any spilled fuel from the saw. Keep all open-

ings and slot on the engine shrouding on the saw clean and 

open so air flows freely through the engine to insure proper 

cooling.

Inspect the skid plate daily for damage, excessive wear in the 

blade slot, burrs on the concrete surface side, twisting and free 

movement up and down when installed on the blade block. 

Replace the skid plate with each new diamond blade. Never 

reuse the skid plates or spalling and raveling may result.