Great Dane GDRZ72-27KHE manual Removing and Installing Traction Drive Belt, Service Transmission

SERVICE TRANSMISSION

c CAUTION: Avoid injury! Engine exhaust fumes

contain carbon monoxide and can cause serious illness or death.

Move the machine to an outside area before running the engine.

Do not run an engine in an enclosed area without adequate ventilation.

•Connect a pipe extension to the engine exhaust pipe to direct the exhaust fumes out of the area.

•Allow fresh outside air into the work area to clear the exhaust fumes out.

11.Start engine.

12.Move throttle lever to 3/4-throttle position.

13.Unlock the park brake.

c CAUTION: Avoid injury! Help prevent serious bodily injury. Remain alert to other people and the surroundings when operating the machine.

A

MX13120

2.Clean hydraulic oil cooler fins (A) on each hydraulic pump with a rag, brush, or compressed air.

Removing and Installing Traction Drive Belt

1.Park machine safely. (See Parking Safely in the Safety section.)

2.Remove mower deck drive belt (48-, 52 and 61-inch mower decks), or engine-to-deck drive belt (72-inch mower decks).

14.Run engine in full forward position for several minutes and then cycle motion control levers forward and rearward several times. Check for leaks around filter.

15.Stop engine. Check oil level. Add oil as necessary.

F

F

Cleaning Hydraulic Pump Cooling Fins

c CAUTION: Avoid injury! Help prevent injury from foreign particles when using compressed air for cleaning purposes, clear area of bystanders, and wear personal eye protection to guard against flying debris.

IMPORTANT: Avoid damage! To ensure proper cooling, keep the cooling fins clean at all times. Operating the machine with obstructed cooling fins could cause damage due to overheating.

1.Park machine safely. (See Parking Safely in the Safety section.)

E

B

C

AD

MX9232

Picture Note: Drive belt routing as viewed from top of machine.

A- 1/2 in. Square Opening

B- Tension Arm

C- Traction Drive Belt

D- Engine Drive Sheave

E- Tension Idler Sheave

F- Hydraulic Pump Sheave

3.Using a 1/2 in. drive breaker bar and extension, insert end of extension in 1/2 in. drive square opening (A) in tension arm, and carefully move tension arm (B) counter- clockwise to release belt tension.

4.Remove drive belt (C).

Service Transmission - 32