Battery Testing, Do not Overfill | Snapper NZM19480KWV, NZM21520KWV

Section 5 - ADJUSTMENTS & REPAIR

Battery Condition Chart

	State of Charge	Syringe Hydrometer	Digital Voltmeter	Five Ball Hydrometer
100%	Charged w/ Sulfate Stop	1.280	12.80v	Five Balls Floating
100%	Charged	1.265	12.60v	Four Balls Floating
75% Charged		1.210	12.40v	Three Balls Floating
50% Charged		1.160	12.10v	Two Balls Floating
25% Charged		1.120	11.90v	One Ball Floating
0% Charged		Less than 1.100	Less than 11.80v	Zero Balls Floating

5.7.4. BATTERY TESTING

There are two types of battery tests: Unloaded and Loaded. The unloaded test is the procedure that will be discussed. It’s the simplest and most commonly used. An unloaded test is made on a battery without discharging current. To perform unloaded testing, check charge condition using either a hydrometer or voltmeter.

1.Using a voltmeter, voltage readings appear instantly to show the state of charge. Remember to hook the positive lead to the battery’s positive terminal, and the negative lead to the negative terminal.

2.A hydrometer measures the specific gravity of each cell. The specific gravity tells the degree of charge; generally, a specific gravity of about 1.265 to 1.280 indicates full charge. A reading of 1.230 to 1.260 indicates the battery should be charged before testing. The Battery Condition Chart shows the charge level as measured by syringe float hydrometer, digital voltmeter and five-ball hydrometer.

5.7.5.NEW BATTERY PREPARATION 1. Remove battery from carton.

2. Place battery in a well ventilated area on a level non-concrete surface.

3. Remove battery cell caps. Fill cells as required with electrolyte (purchased separately) to proper level. Fill to 3/16” above cell plates. Filling battery with electrolyte will bring the battery to 80% charged state.

4. With cell caps removed, connect battery charger to battery terminals; RED to positive (+) and BLACK to negative (-) terminal.

IMPORTANT: 3/16” above cell plates is the recommended level. DO NOT place anything in battery other than specified electrolyte.

WARNING

DO NOT OVERFILL!

WARNING

DO NOT attempt to service or charge the battery while it is installed in the machine. DO NOT use “BOOST” chargers on the battery.

5.Slow charge the battery at 1 amp for 10 hours to bring the battery to full charge.

6.After charging, check level of electrolyte and add as needed to bring level to 3/16” above cell plates.

7.Reinstall cell caps.

8.Install battery into power unit.

9.Connect positive (+) cable (red) first, from wiring harness to the positive terminal (+) on battery using bolt and nut provided in hardware bag. Connect negative (-) cable (black) last, to negative terminal (-) on battery using bolt and nut. Apply a small amount of grease over terminals to prevent corrosion.

10.Install battery retainer and positive terminal cover.

WARNING

Shield the positive terminal with terminal cover located on battery harness. This prevents metal from touching the positive terminal, which could cause sparks. Cables must be connected to battery terminals in the proper position. RED (Positive) cable must go to the ( + ) terminal. BLACK (Negative) cable must go to the ( - ) terminal.

NZM19480KWV, NZM21520KWV specifications

The Snapper NZM19480KWV and NZM21520KWV are standout offerings in the realm of robust mowers, designed to cater to both residential and commercial users seeking efficiency and versatility. These models embody Snapper’s commitment to quality engineering and innovative features that simplify the mowing experience while delivering exceptional performance.

At the heart of both models is a powerful engine, ensuring reliable operation even in the most challenging terrains. The NZM19480KWV features a robust 48-inch cutting deck that allows for a wider cutting path, significantly reducing mowing time. This makes it an optimal choice for larger lawns and landscapes. In contrast, the NZM21520KWV showcases a slightly smaller but efficient 52-inch deck, ideal for tackling intricate yard designs while maintaining maneuverability.

Both mowers are equipped with Snapper's unique Pivoting Front Axle technology, which enhances stability and control. This feature allows the mower to navigate uneven ground smoothly, ensuring a consistent cut regardless of the terrain. The optimized weight distribution contributes to improved traction and handling, making both models suitable for diverse mowing conditions.

The user-friendly design of these mowers is another highlight. They feature a comfortable, adjustable seat with easy-grip controls, allowing operators to navigate their lawns with ease. Additionally, the intuitive dashboard provides real-time information regarding engine performance and fuel levels, enhancing the mowing experience and ensuring that users can focus on achieving the best results.

One of the standout technologies employed in the Snapper NZM19480KWV and NZM21520KWV is the electric start feature. This innovation eliminates the hassle of manual starting, allowing users to begin mowing with the push of a button. Furthermore, both models come with a robust transmission system that ensures smooth acceleration and responsive handling.

In summary, the Snapper NZM19480KWV and NZM21520KWV are exemplary choices for anyone seeking reliable, durable, and efficient mowers. With powerful engines, advanced technologies, and user-friendly designs, these models not only streamline the mowing process but also ensure a pristine lawn appearance. Whether for residential gardening or commercial landscaping, Snapper’s engineering excellence stands out.