Page 1
21.0 -- Engine Horse Power M - Mid Mount Mower 48 - 48" Mower Width 52 - 52" Mower Width Thank you for buying a SNAPPER Product! Before operating your machine, read this manual carefully and pay particular attention to the "IMPORTANT SAFETY INSTRUCTIONS"...
1.1 INTRODUCTION 1.2 NOMENCLATURE This manual has been prepared for the operator's of the The nomenclature information above, Figure 1.1, shows the essential parts of the SNAPPER MID MOUNT Z- SNAPPER MID MOUNT Z-RIDER. Its purpose, aside RIDER. It is recommended...
Section 2 - SAFETY MESSAGES AND SYMBOLS DANGER ! ROTATING PARTS KEEP AWAY FROM MOVING PARTS I MOTION CONTROL LEVER OPERATION I PARKING BRAKE LEVER OPERATION I WEAR HEARING PROTECTION STARTING, OPERATION WARNING !AVOID SERIOUS & STOPPING INJURY OR DEATH OF MACHINE...
Section 3 - OPERATING INSTRUCTIONS PRE-START CHECK LIST 3.1.8. Place mower desired cutting height Make the following checks and perform the service setting. Grasp deck lift lever and depress release latch located underneath the lever. Move lever to required before each start-up. 3.1.1.
Page 5
Adjustment or replacement of electric clutch may be necessary. Return the machine to an FIGURE 3.8 authorized Snapper dealer for replacement. DO NOT CONTINUE to operate mower if blades fail to stop in WARNING 7 seconds. DO NOT park the machine on slopes. DO NOT...
Section 3 - OPERATING INSTRUCTIONS 3.3 CUTTING HEIGHT ADJUSTMENT 1. Adjust cutting height, as desired, to any position, using deck lift lever. The release latch should be pulled up when lowering the deck. When raising the deck, the release latch does not have to be pulled up.
Perform the following interlock system checks position & the neutral lock position. periodically during the operating season. Contact your authorized Snapper dealer if you have questions. WARNING DO NOT operate machine if any safety interlock or safety...
Section 4 - MAINTENANCE 4.6 DECK REMOVAL WARNING Move power unit!mower deck to an area where the mower deck is to be disconnected. Turn engine Allow engine to cool for at least ten minutes before "OFF" and remove key from switch. Remove spark performing service or maintenance.
Section 5 - ADJUSTMENTS & REPAIR DANGER REMOVE MOTION CONTROL LEVER CONNECTING this I Exercise EXTREME CAUTION when making adjustment, due to close proximity of moving parts, NEUTRAL POSITION ADJUSTMENTS The motion control levers control the movement and stopping of the machine. Move the control levers to the center or neutral position to stop...
Section 5 - ADJUSTMENTS & REPAIR UNHOOK TRACTION REMOVE ANTI- WARNING DRIVE IDLER SPRING ROTATION BRACKET DO NOT attempt any maintenance, adjustments service with engine running. STOP engine. STOP blades. Set brake. Remove key. Remove spark plug wires and secure away from spark plugs. Engine and components are HOT.
Section 5 - ADJUSTMENTS & REPAIR TRACKING ADJUSTMENT MOWER DRIVE BELT REPLACEMENT If the machine does not track straight when the Inspect mower drive belt. Replace belt if it shows Motion Control Levers are in the maximum forward signs of excessive wear, damage and/or is broken. speed position, perform the following adjustment.
Page 12
Section 5 - ADJUSTMENTS & REPAIR RED (POSITIVE) CABLE _ BLACK (NEGATIVE) WARNING Shield positive terminal with terminal cover located on battery harness. This prevents metal from touching the positive terminal, which could cause sparks. Cables must connected battery terminals in the proper position.
Page 13
SNAPPER Field Serviceable Spindles have been designed so that no special ® tools or presses are required. 1. Remove belt. Loosen blade nut and remove. Allow blade bolt, washer, blade and four spacers to drop down out of the spindle housing.
MID MOUNT Z-RIDER ZERO TURNING HYDRO DRIVE SERIES 0 IMPORTANT Snapper products are built using engines that meet or exceed all applicable emissions requirements on the date manufactured. The labels on those engines contain very important emissions information and critical safety warnings.
Need help?
Do you have a question about the NZM21520KWV and is the answer not in the manual?
Questions and answers