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4service & maintenance, Danger, 2 drive belt – Echo 73724 User Manual

Page 13: 3 flex hose replacement 4.4 trailer service, 0 service and maintenance, 1 service and maintenance schedule

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Page 9

Truck Loader Operator’s Manual

4.2 DRIVE BELT

Check the condition of the drive belt annually or after 30
hours of operation, whichever comes first. Replace if
cracked, frayed, or worn.

Changing the drive belt:
1.

Shut off engine and allow rotor to completely stop.

2.

Remove spark plug wire.

3.

Remove bolts holding belt guard in place.

4.

Swing belt guard to the side to allow access to the
drive belt.

5.

Loosen idler tension spring eyebolt.

6.

Remove belt from pulleys.

7.

Install new belt.

8.

Tighten idler tension spring bolt so there is 1/32" to 1/
16" gap between coils.

9.

Swing belt guard back to cover belt and secure with
bolts.

4.3 FLEX HOSE REPLACEMENT

4.4 TRAILER SERVICE

1.

Check wheel bolt torque every 10 hours of towing use.

2.

Check air pressure in tires every 10 hours. Fill to 60
PSI.

3.

Check and repack wheel bearings with grease every
year.

4.

Always connect the safety chains when towing. Check
to ensure trailer hitch bolts are tight and secure.

5.

Check trailer lights.

Section

4

Service & Maintenance

The rotor continues to turn for some time after the en-
gine is shut off.

DANGER

4.0 SERVICE AND MAINTENANCE

Before

each use

Every 25

hours

Every 50

hours

Every 100

hours

Every 300

hours

Every 1

year

Check

Replace

Check

Clean

*

Replace

Check Nuts and Bolts

Inspection Items

Interval

Indicates first hours of use

(*) Service more frequently in dusty conditions

Clean Machine

Check Drive Belt

Replace Fuel Filter

Air Filter Element

Engine Oil

Replace Spark Plug

Check the condition of the flex hose frequently. Replace if
split or damaged.

1.

Shut off engine and allow rotor to completely stop.

2.

Remove spark plug wire.

3.

Remove the clamp attaching the hose inlet to the flex
hose.

4.

Remove the hose inlet.

5.

Remove two (2) bolts from the hose wraps to separate
the flex hose from the swivel boom.

6.

Remove the remaining clamp securing the flex hose to
the hose adapter.

7.

Install new hose on hose adapter.

8.

Complete flex hose replacement by performing steps
1-5 in reverse order.

4.1 SERVICE AND MAINTENANCE SCHEDULE