Murray MU-BAT-LM37-KIT Lawn Mower Manual

The Murray MU-BAT-LM37-KIT is a 37-inch battery-powered riding lawn mower featuring a brushless motor, zero-turn radius, dual battery system, LED headlights, adjustable cutting height (1.5-4 inches), mulching/bagging capability, ergonomic seat, cup holder, and battery charge indicator. Powered by two 56V lithium-ion batteries with charger included. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Assembly Instructions 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Operating the Mower 7. Battery Charging & Care 8. Maintenance Schedule 9. Storage Guidelines 10. Safety Information 11. Troubleshooting

Features at a Glance

Key components: 37-inch steel cutting deck, Dual 56V lithium-ion batteries, Charger, Zero-turn steering levers, LED headlights, Adjustable seat, Cup holder, Battery indicator.

FeatureDescription
Cutting Deck37-inch steel deck with mulching/bagging capability
Power SystemDual 56V lithium-ion batteries with brushless motor
SteeringZero-turn radius with dual lever control
Cutting HeightAdjustable from 1.5 to 4 inches (6 positions)
HeadlightsLED lights for low-light operation
SeatErgonomic high-back seat with adjustable position
Battery IndicatorLCD display showing battery level
ChargerDual-port fast charger included
Speed ControlVariable speed up to 7 mph
Safety FeaturesSeat sensor, Blade brake clutch, Parking brake

Assembly Instructions

Unpack and inspect all parts. Assembly requires basic tools.

  1. Install steering levers: Attach to control panel with provided bolts.
  2. Mount seat: Position on frame and secure with four bolts.
  3. Attach cutting deck: Lower deck onto mounting points and secure pins.
  4. Install batteries: Place batteries in compartments, connect terminals.
  5. Connect headlights: Plug wiring harness into control panel.
  6. Install cup holder: Snap into designated slot on dashboard.

WARNING! Mower is heavy; use assistance during assembly. Ensure all bolts are properly tightened.

First-Time Setup

Complete assembly before first use.

  1. Charge batteries: Connect charger to batteries and AC outlet until fully charged (approx. 4 hours).
  2. Adjust cutting height: Set lever to desired position (test on grass).
  3. Check tire pressure: Inflate to 15 PSI (front) and 10 PSI (rear).
  4. Test controls: Practice steering in open area without blades engaged.
  5. Calibrate blades: Ensure all blades are level using leveling tool.

CAUTION! Wear protective equipment during setup. Keep hands and feet away from moving parts.

Specifications

Controls and Settings

Dashboard: Battery indicator, Headlight switch, Cup holder, Key ignition. Steering: Dual levers for zero-turn control (push forward to go, pull back to reverse). Cutting height: Adjust lever on deck (positions 1-6). Parking brake: Engage lever between seats.

Safety Controls: Seat sensor (stops blades when operator leaves seat), Blade engagement lever (PTO), Parking brake, Key ignition.

Settings: Cutting height adjustment, Speed control via lever pressure, Headlight on/off, Battery indicator shows charge level.

Operating the Mower

Starting procedure and mowing techniques.

  1. Pre-operation check: Battery charge, tire pressure, deck clearance.
  2. Mount mower: Sit firmly in seat, ensure parking brake engaged.
  3. Start engine: Insert key, turn to ON, engage blades with PTO lever.
  4. Release parking brake: Slowly release brake lever.
  5. Steer: Use both levers - push forward to move, differential for turns.
  6. Adjust speed: Control with lever pressure (gentle movements).
  7. Engage blades: Only when moving forward on level ground.
  8. Shut down: Disengage blades, engage parking brake, turn key OFF.

Tip: Mow in straight lines overlapping slightly for even cut. Avoid mowing when grass is wet.

Battery Charging & Care

Proper battery maintenance extends life.

  1. Charging: Use included dual-port charger. Plug into batteries first, then AC outlet.
  2. Storage: Store batteries at room temperature (40-80°F).
  3. Cleaning: Keep terminals clean and dry.
  4. Replacement: Replace both batteries simultaneously for optimal performance.
  5. Winter storage: Charge to 50% if storing over 30 days.

WARNING! Do not expose batteries to water or extreme temperatures. Use only Murray-approved charger.

Maintenance Schedule

IntervalTask
Before each useCheck battery level, tire pressure, blade condition
Every 25 hoursClean cutting deck, check belt tension
Every 50 hoursSharpen blades, lubricate moving parts
Every 100 hoursCheck wheel bearings, inspect electrical connections
Season endFull cleaning, battery storage preparation

Blade Sharpening: Remove blades, sharpen at 30-degree angle, balance before reinstalling.

Storage Guidelines

Proper storage prevents damage.

  1. Clean thoroughly: Remove grass clippings from deck and undercarriage.
  2. Battery care: Charge to 50% for long-term storage.
  3. Elevate deck: Store with deck raised to prevent flat spots on tires.
  4. Cover: Use breathable cover in dry location.
  5. Fuel system: Not applicable (battery-powered).

CAUTION! Store in dry, well-ventilated area away from children and pets.

Safety Information

Read all safety instructions before operation.

EMERGENCY STOP: Release steering levers to stop movement, disengage blades, engage parking brake.

Troubleshooting

SymptomPossible CauseCorrective Action
Mower won't startDead batteries, seat sensorCharge batteries; ensure seated properly; check key position.
Uneven cuttingDull blades, deck not levelSharpen blades; level deck; check tire pressure.
Reduced run timeOld batteries, thick grassReplace batteries; mow more frequently; reduce speed.
Steering difficultyLow tire pressure, linkageInflate tires; check steering linkage for obstructions.
Blades not engagingPTO switch, safety sensorCheck PTO lever; ensure all safety conditions met.
Battery not chargingFaulty charger, connectionsCheck charger connections; clean battery terminals.

Reset: Turn key OFF, wait 30 seconds, restart. Check battery indicator for error codes.

Service: 1-800-MURRAY-1; www.murray.com

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