Kubota f3680 front cut ride on mower service repair manual

Page 28

G GENERAL

F2880, F3680, RCK72-F36, RCK72R-F36, RCK60-F36, RCK60R-F36, WSM

Checking and Cleaning Radiator to Prevent Overheating CAUTION • Be sure to stop the engine and remove the key before cleaning. ■ IMPORTANT • The air intake area must be clear of debris to prevent the engine from overheating. Daily or after every 5 hours of operation, check to be sure the radiator screen (1) and bonnet screen (2) are clean. Dirt or chaff on the radiator screen (1) or bonnet screen (2) decrease cooling performance. 1. Open the bonnet and remove the radiator screen (2). 2. Remove the dust from between the fins and the tube. 3. Tighten the fan drive belt as necessary. For this, refer to "CHECK POINT EVERY 100 HOURS". 4. If scale forms in the tube, clean with scale inhibitor or its equivalent. 5. Each time the bonnet screen (2) is covered with grass during operation, remove the grass from bonnet screen by hand. Check the radiator screen (1) from time to time if grass accumulates. (1) Radiator Screen

(2) Bonnet Screen W1050141

Checking Tire Pressure WARNING • Do not attempt to mount a tire on a rim. This should be done by a qualified person with the proper equipment • Always maintain the correct tire pressure. Do not inflate tires above the recommended pressure. CAUTION • Never operate machine with a loose rim, wheel or axle. • Whenever bolts are loosened, retighten to specified torque. • Check all bolts frequently and keep them tightened. ■ Inflation Pressure Though the inflation pressure is factory-set to the prescribed level, it naturally drops slowly in the course of time. Thus, check it every day and inflate as necessary. Tire Sizes

Recommended inflation pressure

Front

24 × 12-12, 4PR

140 kPa (1.4 kgf/cm2, 20 psi)

Rear

18 × 9.5-8, 4PR

200 kPa (2.0 kgf/cm2, 28 psi)

(1) Ground

(A) Insufficient (B) Normal (C) Excessive W1051028

KiSC issued 04, 2006 A

G-15


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