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9.3.2.3
Tighten motor shaft retaining nut and washer.
9.3.3
Assembly of Fan Shroud (60)
9.3.3.1
Slide fan shroud onto motor assembly and attach using fan shroud clamp (61).
9.3.4
Assembly of Drive Motor (10)
CAUTION: TAKE EXTREME CARE WHEN INSTALLING DRIVE MOTOR ONTO ASSEMBLY OR DAMAGE TO FAN OR FAN SHROUD COULD OCCUR.
9.3.4.1
Reconnect motor electrical leads. Observe correct motor lead polarity when making connections. Secure with cable ties and route to prevent chaffing.
9.3.4.2
Position drive motor in motor support bracket and install bolt and turn buckle hardware (refer to table 1, section 1.3 for torque specifications).
Component Maintenance Manual
12037 N Highway 99
Seminole, OK 74868
Phone (405) 382-0731
Fax (405) 382-0737
http://www.enviro-ok.com
EFFECTIVITY: ALL 21-00-09
Page 7004
FEBRUARY 16, 2010
9.3.5
Assembly of Compressor (50)
9.3.5.1
Position compressor on mounting bracket and attach with bolts and washers (refer to Table 1, Section 1 for torque specifications). Install turn buckle hardware but do not tighten (tighten only after tensioning has been accomplished).
9.3.5.2
Using a wire brush and cleaning solvent, completely remove old thread sealant. Apply a thin layer of thread sealant primer to fitting threads.
9.3.5.3
Apply 1-2 drops of thread sealant on compressor discharge port threads.
CAUTION: TAKE EXTREME CARE NOT TO GET REFRIGERANT OIL ON FITTING THREADS
9.3.5.4
Apply a thin film of refrigerant oil to compressor discharge port flare surface.
9.3.5.5
Connect condenser fitting to compressor discharge port and tighten (refer to table 1, section 1.3 for torque specifications).
9.3.5.6
Using a wire brush and cleaning solvent, completely remove old thread sealant. Apply a thin layer of thread sealant primer to fitting threads.
9.3.5.7
Apply 1-2 drops of thread sealant on receiver dryer inlet port threads.
9.3.5.8
Apply thin film of refrigerant oil to O-ring and install on condenser fitting.
9.3.5.9
Connect condenser fitting to receiver dryer and tighten (refer to table 1, section 1.3 for torque specifications).
9.3.6
Assembly of Drive Belt (40) and Pulley (20)
9.3.6.1
Verify key is installed and motor is free to rotate. Place drive belt (5MR-535-25) over motor drive pulley and slide belt onto compressor pulley while sliding motor pulley onto motor shaft.
9.3.6.2
Belt should be tensioned (refer to Figure 5) and tested utilizing Gates Sonic Tension Meter to ranges shown (refer to Figure 6). Securely tighten tensioner’s attachment hardware to include installing turn buckle locking device when proper tension is achieved. Follow the procedure outlined below.
CAUTION: DO NOT OVER TENSION BELT. IMPROPER BELT TRACKING AND BELT / MOTOR DAMAGE MAY RESULT.
9.3.6.2.1
Gates Sonic Tension meter method: (Required Method)
•
Input the following information into the Meter:
•
Weight: 3.2 g/m/mm
•
Width: 25 mm
•
Span: 147 mm
Component Maintenance Manual
12037 N Highway 99
Seminole, OK 74868
Phone (405) 382-0731
Fax (405) 382-0737
http://www.enviro-ok.com
EFFECTIVITY: ALL 21-00-09
Page 7005
FEBRUARY 16, 2010
9.3.6.2.2
In A Quiet/Non Windy Environment – Cord Sensor
9.3.6.2.3
Push the measure button on the meter, hold the cord sensor approximately 1 cm (0.4 in) above the belt at the midway point between the pulleys.
•
Lightly strum the belt with finger to induce a vibration.
•
Record the results in Hz or Newton’s
•
Repeat 3 times (or more if necessary) to verify consistent readings
9.3.6.2.4
In A Noise Filled Environment – Inductive Sensor
CAUTION: REMOVE THE TAPE AND MAGNET FROM BELT BEFORE PROCEEDING.
9.3.6.2.5
Tape the Small Magnet in the mid-span of the belt; push the measure button on the meter. Hold the inductive sensor approximately 1 cm (0.4 in) above the magnet
9.3.6.2.6
Lightly strum the belt with finger to induce a vibration.
•
Record the results in Hz or Newton’s (N)
•
Repeat 3 times (or more if necessary) to verify consistent readings
9.3.6.3
Rotate compressor by hand through several revolutions and verify belt tracking. Readjust as required.
9.3.6.4
Secure drive pulley by tightening drive pulley set screws (refer to table 1, section 1.3 for torque specifications).
9.3.6.5
Tighten and secure compressor mounting bolts, washers, and lock nuts (refer to table 1, section 1.3 for torque specifications).
9.3.7
Assembly of Hour Meter
9.3.7.1
Return wire connections to correct locations on back of hour meter.
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OPERATING, SERVICING, AND COMPONENT MAINTENANCE MANUAL(21)
