5.
machine wire harness.
Disconnect compressor electrical connector from
2. The clearance between the compressor mounting
flanges and pivot plate must be less than 0.004” (0.10
mm). If necessary, install shims between compressor
flanges and pivot plate to adjust clearance. See Parts
Catalog for shim kit.
6.
Read the General Precautions for Removing and
Installing Air Conditioning System Components at the
beginning of the Service and Repairs section of this
chapter.
3. Secure compressor to compressor mount and com-
pressor arm with removed fasteners and spacers. Do
not fully tighten fasteners.
CAUTION
IMPORTANT: After the compressor has been
installed, make sure to rotate the compressor drive
shaft several times to properly distribute oil in the
compressor. Compressor damage due to oil slug-
ging can occur if this procedure is not performed.
The air conditioning system is under high pres-
sure. Do not loosen any system fitting or compo-
nent until after the system has been completely
discharged by a certified A/C service technician.
4.
Manually rotate the compressor drive shaft at least
ten (10) revolutions to make sure that no compressor oil
is in the compressor cylinders.
7.
system by a certified A/C service technician.
Have refrigerant evacuated from air conditioning
5.
6.
Place drive belt onto compressor pulley.
8.
atelycaphosesandfittingstopreventmoistureandcon-
taminants from entering the system.
Label and remove hoses from compressor. Immedi-
Tensioncompressor drivebeltwithidlerpulley.Make
sure to tighten lock nut to secure belt adjustment.
9.
ling.
Support compressor to prevent it from shifting or fal-
7.
during the removal process. Using labels placed during
removal, properly secure hoses to compressor.
Remove caps that were placed on hoses and fittings
NOTE: There may be shims mounted between com-
pressor and compressor arm. When removing com-
pressor, note shim location and quantity for assembly
purposes.
8.
chine wire harness.
Connect compressor electrical connector to ma-
9.
Have a certified air conditioning service technician
10.Remove
pressor to compressor mount and compressor arm.
fasteners and spacers that secure com-
evacuate the air conditioning system completely, prop-
erly recharge the system with R134a refrigerant and
then leak test the system. A/C system capacity is 1.25
pounds of R134a refrigerant.
IMPORTANT: To prevent compressor oil from filling
the compressor cylinders, keep compressor in the
same orientation as the installed position.
10.Lower
and secure hood.
11.
Carefully remove compressor from engine and ma-
chine.
2
NOTE: Thereplacementofthedrier--receiverisrecom-
mendedwheneverA/Ccompressor isremovedfromthe
system (see Heater and Evaporator Assembly in this
section).
NOTE: The air conditioning compressor used on the
Groundsmaster 4010--D is a Sanden model SD5H09.
For air conditioning compressor repair procedures, see
the SD Compressor Service Guide at the end of this
chapter.
1
Installation (Fig. 1)
3
1.
pressor arm.
Positioncompressor tocompressor mountandcom-
Figure 2
1.
2.
A/C compressor
Alternator
3. Compressor arm
Groundsmaster 4010--D
Page 9 -- 5
Operator Cab
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