TP-7070 7/1890 Section 3 Scheduled Maintenance
3.8.9 Radiator Fan Bearing Lubrication
(KD2000--KD3250)
Note: The following content on fan bearing lubrication
does not apply to models KD800--KD1750.
The system should be checked periodically (depending
on usage) to prevent equipment damage or failure.
d Check and maintain correct tension of fan belts.
d Check for frame imbalance, bearing wear, or loose
drive components.
d Check and maintain alignment of sheaves by
adjusting their location on fan shaft and idler shaft.
Lubricate the bearings through the remote grease
fittings every 500 hours.
Use lithium grease with EP additive, conforming to
NLGI 2 consistency, suitable for --28_C to +121_C
(--20_F to +250_F). Re-lubrication should be
discontinued when clean grease has purged through
the seal, regardless of the quantity added. Approximate
quantities are listed in Figure 3-15.
Shaft Siz e Amount -- ml (Oz.)
1--1/8in.to1--1/4in. 3.0 (.10)
1--3/8 in. to 1--7/16 in. 6.5 (.22)
1--1/2 in. to 1--11/16 in. 9.5 (.32)
1--3/4in.to2in. 14.8 (.50)
2 in. to 2--3/16 in. 16.3 (.55)
2--1/4in.to2--1/2in. 19.2 (.65)
2--11/16 in. to 3 in. 25.1 (.85)
3--3/16 in. to 3--1/2 in. 37.0 (1.25)
3--15/16 in. to 4 in. 74.0 (2.50)
4--7/16 in. to 4--1/2 in. 91.7 (3.10)
4--15/16 in. to 5 in. 140.5 (4.75)
Figure 3-15 Grease Quantity
1. Read and follow the safety precautions at the
beginning of the section.
2. Before working on the generator set or connected
equipment, remove the generator set from service.
Refer to the safety precautions for preventing
accidental starts and disabling the generator set.
a. Remove the load from the generator set.
b. Shut down the generator set.
c. Place the generator set controller into
Out-of-Service mode and press the
emergency stop button.
d. Disconnect the power to the battery charger.
e. Remove the battery cables, negative (--) lead
first, to disable the generator set.
3. To grease the bearings, inject grease at the
remotely located grease fittings located on the
left-hand side of the radiator. See Figure 3-16.
Grease slowly to prevent over-greasing the
bearings.
4. Remove any excess grease.
5. Reconnect the generator set engine starting
battery(ies), negative (--) lead last and return the
generator set to service.
10301001101
1
1. Grease fittings
Figure 3-16 Fan Bearings Grease Fittings
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