Radiator; Roll Over Protective Structure (Rops); Tires - Jacobsen AR522 Handbuch

7 MAINTENANCE

7.15 RADIATOR _______________________________________________________________

!
WARNING
To prevent serious bodily injury from hot coolant or
steam blow-out, never attempt to remove the radiator
cap while the engine is running. Stop the engine and
wait until it is cool. Even then, use extreme care when
removing the cap.
!
CAUTION
Do not pour cold water into a hot radiator. Do not
operate engine without a proper coolant mixture.
Install cap and tighten securely.
Check coolant level daily. Radiator should be full and
recovery bottle should be up to the cold mark.
Drain and refill annually. Remove the radiator cap, open
the engine block drain and the radiator drain. Empty and
clean the recovery bottle.

7.16 ROLL OVER PROTECTIVE STRUCTURE (ROPS)________________________________

A Roll Over Protective Structure (ROPS), designed for
this mower, is included with this mower as standard
equipment. Inspect it periodically and follow operating
procedures.
!
CAUTION
Do not loosen or remove bolts, do not weld, drill,
modify, bend, or straighten a damaged structure.

7.17 TIRES ___________________________________________________________________

1. Keep tires properly inflated to prolong tire life. Check
inflation pressure while the tires are cool. Inspect
tread wear.
2. Check pressure every 50 hours or once a month.
Use an accurate, low pressure tire gauge.
3. Keep tires inflated to:
Front - 16 psi (1.11 BAR)
Rear - 12 psi (0.86 BAR)
38
Mix clean water with ethylene glycol based anti-freeze for
the coldest ambient temperature. Read and follow the
instructions on the anti-freeze container and Engine
Manual.
Keep radiator and hydraulic oil cooler air passages clean.
Use compressed air (30 psi maximum) to clean the fins.
To clean radiator:
1. Use a blow gun to clean the radiator and oil cooler
fins.
NOTICE
A sliding panel located under the frame can be
loosened and pulled back to allow dirt and debris to
fall through frame.
2. Check and tighten the fan belt. Replace clamps and
hoses every two years.
3. If you have to add coolant more than once a month,
or add more than one quart at a time, have a
Jacobsen Dealer check the cooling system.
1. The seat, the seat belt, mounting hardware, and any
accessories within the ROPS, should be inspected
regularly and all
immediately.
2. Once the ROPS has been subjected to any form of
impact it should be replaced.
3. Check and re-torque all hardware. All replacement
components used for the ROPS must be as
specified in the Parts Catalog.
!
CAUTION
Unless you have the proper training, tools and
experience, DO NOT attempt to mount a tire on a rim.
Improper mounting can produce an explosion which
may result in serious injury.
damaged parts replaced