Page 1
CD42CD/CD48CD For Serial Nos. 790,000 & Higher Part No. 4500-370 Rev. A...
Page 2
Exmark reserves the right to make changes or add improvements to its products at any time without incurring any obligation to make such changes to products manufactured previously. Exmark, or its distributors and dealers, accept no responsibility for variations which may be...
All Exmark parts are thoroughly tested and inspected before leaving the factory, however, attention is required on your part if you are to obtain the fullest measure of satisfaction and performance.
Preparation • Do Not modify the Navigator cutting deck. • Only use on machines approved by Exmark. • Wear appropriate clothing including safety glasses, substantial footwear, long trousers, and hearing protection. Do Not operate when barefoot or when wearing open sandals.
Safety WARNING Hands, feet, hair, clothing, or accessories can become entangled in rotating parts. Contact with the rotating parts can cause traumatic amputation or severe lacerations. • Do Not operate the machine without guards, shields, and safety devices in place and working properly. •...
103-6230 • New safety signs may be obtained from your authorized Exmark equipment dealer or distributor or from Exmark Mfg. Co. Inc. • Safety signs may be affixed by peeling off the backing to expose the adhesive surface. Apply only to a clean, dry surface. Smooth to remove any air bubbles.
Entanglement or tip-over could cause serious injury or death. When operating a Navigator tractor without an approved Exmark front mount attachment, observe the following: • Keep feet and clothing away from tires. • Limit operation to minimum required to install a different front mount attachment.
PTO guard (see Figure 5). 8. Raise seat and disconnect drive shaft using quick coupler at jackshaft (see Figure 3). 9. Pull mower deck forward to remove from unit. Important: Do Not transport Navigator tractor without an approved Exmark front mount attachment.
Product Overview Figure 7 1. Cut height adjustment 3. Deck lift handle 2. Caster wheel Operation Adjusting the Cutting Height The cutting height of the mower deck is adjusted from 1 to 4 inches (2.5 cm to 10.2 cm) in 1/4 inch (.63 cm) increments.
Operation Figure 8 1. Deck lift handle 2. Rotate the deck locking pin toward the rear and pull outward to unlock. 3. Push the deck locking pin in and rotate toward the front to lock. 3. Using deck lift handle, lift deck up and latch in “up”...
Page 13
To adjust the FRS baffles: 1. Stop engine, wait for all moving parts to stop and remove key. Engage parking brake. 2. Remove hair pins and clevis pins from both sides of the PTO guard (see Figure 5). Fold guard forward.
Maintenance Maintenance Note: Determine the left and right sides of the machine from the normal operating position. WARNING While maintenance or adjustments are being made, someone could start the engine. Accidental starting of the engine could seriously injure you or other bystanders. Remove the key from the ignition switch, engage parking brake, and pull the wire(s) off the spark plug(s) before you do any...
• Replace the blade bolt after striking a foreign object. • Use only genuine Exmark replacement parts. • Do Not lubricate the threads of the bolt or spindle before assembly.
Maintenance 5. Remove small magnetic plugs and wipe away any material accumulated on the plugs. 6. Apply a Teflon pipe sealant to all small magnetic plugs and re-install into the gearbox. 7. Re-install the gearbox and drive shaft assembly to the mower deck. 8.
6. Pack the bearings with a NGLI grade #1 multi-purpose grease. 7. Insert one bearing, one new seal into the wheel. Note: Seals (Exmark PN 103-0063) must be replaced. 8. If the axle assembly has had both spacer nuts removed (or broken loose), apply a thread locking adhesive to one spacer nut and thread onto the axle with the wrench flats facing outward.
Maintenance Adjustments Note: Disengage PTO, shut off engine, wait for all moving parts to stop, engage parking brake, and remove key before servicing, cleaning, or making any adjustments to the unit. Deck Leveling 1. Position mower on a flat surface. 2.
Cleaning Clean Debris From Cutting Deck Service Interval: Before each use or daily 1. Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. 2. Clean off any oil, debris, or grass build-up on the cutting deck, especially under deck belt shields.
Troubleshooting Troubleshooting Important: It is essential that all operator safety mechanisms be connected and in proper operating condition prior to mower use. When a problem occurs, do not overlook the simple causes. For example: starting problems could be caused by an empty fuel tank. The following table lists some of the common causes of trouble.
Page 21
• Attorney's fees. No Claim of breach of warranty shall be cause for cancellation or rescission of the contract of sale of any Exmark mower. All implied warranties of merchantability (that the product is fit for ordinary use) and fitness for use (that the product is fit for a particular purpose) are limited to the duration of the express warranty.
Service Record Date: Description of Work Done: Service Done By:...
Page 24
SEE EXMARK’S COMPLETE LINE OF ACCESSORIES AND OPTIONS MID-MOUNT RIDING ACCESSORIES AND OPTIONS CUSTOM RIDE SEAT SUSPENSION SYSTEM FULL SUSPENSION SEAT DECK LIFT ASSIST KIT HITCH KIT LIGHT KIT V POWER PORT MICRO-MULCH SYSTEM OUT-FRONT RIDING ACCESSORIES AND OPTIONS CUSTOM RIDE SEAT SUSPENSION SYSTEM...
Need help?
Do you have a question about the 4500-370 and is the answer not in the manual?
Questions and answers