Snapper HI-VAC 7 Series

Safety Instructions & Operator’s Manual
21" HI-VAC -SERIES 7
WALK BEHIND
MOWERS
21357B
M21357B
D21357B
P21357B
PM21357B
PD21357B
21407T-2
P21407T-2
21507B
P21507B
P21507BE
Thank you for buying a SNAPPER product! Before operating your mower, read this manual carefully and pay
particular attention to the Important Safety Instructions on page 2. Remember that mowers and all power
equipment can be dangerous if used Improperly, and keep In mind that SAFETY requires careful use In
accordance with the Instructtons and. .common sense!
This Manual covers SNAPPER 21" design series (last numeral in the five digit model designation) walk behind
mowers. The letter "P" prefix indicates self-propelled models. An "M" prefix designates mulcher models. Those
having ”D" prefix are side discharge models. A "B" suffix indicates that the mower is powered by a Brigg's &
Stratton engine. Mowers with the "E" suffix are Electric Start models. Mowers with a "T" suffix are Tecumseh
powered, and a -2 designates that the engine is 2-cycle. Differences are pointed out wherever pertinent
throughout the manual.
^McDonough, GA.. 30253 U.S.A.
MANUAL P.N. 2-3758 (Rev. 1. 3/90)

Snapper HI-VAC 7 Series Specifications

General

Brand	Snapper
Model	HI-VAC 7 Series
Category	Lawn Mower
Language	English

Summary

Important Safety Instructions

Training

Understand controls and proper use of the equipment.

Preparation

Pre-operation checks and area preparation.

Operation

Guidelines for safe mower operation and hazard avoidance.

Maintenance and Storage

Instructions for mower upkeep and storage.

Introduction

Operating Procedure

Pre-Start Checks

StartingStopping Engine

Rope Start

Steps to start the engine using the pull rope.

Electric Start

Battery Charging

Cutting Height Adjustment

Mowing Procedure

Emptying Grass Bag

Service Procedure

Lubrication Schedule

Engine Lubrication

Engine oil change intervals and level checks.

Transmission Lubrication

Checking and adding grease to the transmission.

Moving Parts Lubrication

Lubricating friction points on moving components.

Cutting Blade Service

Bearing Replacement

Clutch Linkage (Self-Propelled)

Clutch Linkage Adjustment

Adjusting clutch cable for proper engagement and return.

Driven Disc Service

Driven Disc Adjustment

Adjusting driven disc position relative to drive disc.

Driven Disc Replacement

Replacing the driven disc rubber ring.

Bearing Replacement

Belt Service

Engine Belt Replacement

Procedure for replacing the engine drive belt.

Poly-V-Belt Replacement

Storage Procedure

Handle Height Adjustment

Popular Accessories

Manufacturers 2 Year Limited Warranty