Snapper 7800391, 7800388 Burnish PTO Clutch, Check Rider Safety System, Operational SAFETY Checks

Models: 7800379 7800378 7800390 7800391 7800388

1 16
Download 16 pages 32.01 Kb
Page 16
Image 16
 Burnish PTO Clutch

Axion / 150Z Series

CHECK RIDER SAFETY Burnish PTO Clutch

1.Engage the parking brake, start the tractor, and set engine speed to full throttle.

2.Engage the PTO switch for fifteen seconds, then disengage it and wait for the mower blades to stop.

3.Repeat step 2 ten times taking note of mower blade stopping time. (Stopping time must be five seconds or less.) If the unit fails this test, perform the PTO clutch adjustment found in the “Regular Maintenance” section or replace the clutch.

CHECK RIDER SAFETY

SYSTEM

Service Interval: Every 100 hours, every spring/fall, and after storage of 30 days or longer.

This unit is equipped with safety interlock switches. These safety systems are present for your safety. Do not attempt to bypass safety switches, and never tamper with safety devices. Check their operation regularly.

Operational SAFETY Checks

TEST 1 — ENGINE SHOULD NOT CRANK IF:

Mower blades switch is ON, OR

Ground speed control levers are not in their START/PARK positions, OR

Parking brake lever is in DISENGAGE position.

TEST 2 — ENGINE SHOULD CRANK IF:

Mower blade switch is OFF, AND

Ground speed control levers are in their START/PARK positions, AND

Parking brake lever is in ENGAGE position.

TEST 3 — ENGINE SHOULD SHUT OFF IF:

Operator rises off seat with the mower blade switch ON, OR

Operator rises off seat with the ground speed levers in DRIVE positions, OR

Operator rises off seat with the parking brake in DISENGAGE position, OR

Operator moves the left and/or right ground speed control lever out of its START/PARK position with the parking brake lever in ENGAGE position.

TEST 4 — BLADE BRAKE CHECK

The mower blades and mower drive belt should come to a complete stop within five seconds after the mower blade switch is turned OFF. If mower drive belt does not stop within five seconds, contact your local autho- rized dealer.

NOTE: Once the engine has stopped, the mower blade switch must be turned OFF, the ground speed control levers must be locked in their START/PARK positions, and the parking brake lever must be in the ENGAGE position in order to start the engine.

WARNING

If the unit does not pass a safety test, do not operate it. See your local authorized dealer. Under no circumstance should you attempt to defeat the purpose of the safety interlock system.

TP 300-5412---ZT-SN

16

8/2008

Page 16
Image 16
Snapper 7800391, 7800388 Burnish PTO Clutch, Check Rider Safety System, Operational SAFETY Checks, Axion / 150Z Series