Dewalt DXCMTB5590856 Instruction Manual - Page 19

Checking Belt Tension Fig. 1, Adjusting Belt Tension

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English 10. Reconnect spark plug wire. NOTE: Pump oil contains substances that are regulated and must be disposed of in accordance with local, state and federal laws and regulations. T = Full U = Add L = Oil drain plug V = Oil level sight glass K = Oil fill plug K V L FIG. 4 Checking Belt Tension (Fig. 1) WARNING: Hot surfaces. Risk of burn. Aftercooler, pump head, and surrounding parts are very hot, do not touch (see the Hot Surfaces identified in Fig. 2). Allow compressor to cool prior to servicing. 1. Ensure engine ON/OFF switch (C) is in the OFF position. 2. Allow the unit to cool. 3. Disconnect spark plug wire. 4. Drain air tank. 5. Remove belt guard. 6. Measure belt tension. Proper tension is achieved when a three (3) pound (1.36 kg) weight or equivalent finger pressure applied midway between the motor pulley and compressor flywheel causes a 1/4" (6.35 mm) deflection of the belt. If adjustment is needed see Adjusting Belt Tension under Maintenance. 7. Replace belt guard. 8. Reconnect spark plug wire. Adjusting Belt Tension WARNING: Hot surfaces. Risk of burn. Aftercooler, pump head and surrounding parts are very hot, do not touch (see the Hot Surfaces identified in Fig. 2). Allow compressor to cool prior to servicing. 1. Follow procedures 1-6 in Checking Belt Tension under Maintenance. 2. Scribe a mark at the base of the engine on the deck to be used as a reference. 3. Loosen but do not remove four engine W mounting nuts. 4. Loosen but do not remove bolt securing stiffener bracket to engine. 5. Move the engine to the new mark by turning the belt tensioning bolt (W) clockwise until the engine is moved to the desired postion. WARNING: Risk of moving parts. Use caution when rolling belt onto flywheel, fingers can get caught between the belt and flywheel. 6. Check the belt tension again. See Step 6 in Checking Belt Tension under Maintenance. 7. When tension is correct, torque four engine mounting nuts 19

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19
English
10. Reconnect spark plug wire.
NOTE:
Pump oil contains substances that are regulated and must
be disposed of in accordance with local, state and federal laws and
regulations.
V
K
L
T = Full
U = Add
L = Oil drain plug
V = Oil level sight glass
K = Oil fill plug
FIG. 4
Checking Belt Tension (Fig. 1)
WARNING
: Hot surfaces. Risk of burn. Aftercooler, pump head,
and surrounding parts are very hot, do not touch (see the Hot
Surfaces identified in Fig. 2). Allow compressor to cool prior to
servicing.
1. Ensure engine ON/OFF switch (C) is in the OFF position.
2. Allow the unit to cool.
3. Disconnect spark plug wire.
4. Drain air tank.
5. Remove belt guard.
6. Measure belt tension. Proper tension is achieved when a
three (3) pound (1.36 kg) weight or equivalent finger pressure
applied midway between the motor pulley and compressor
flywheel causes a 1/4" (6.35 mm) deflection of the belt. If
adjustment is needed see
Adjusting Belt Tension
under
Maintenance
.
7. Replace belt guard.
8. Reconnect spark plug wire.
Adjusting Belt Tension
WARNING
: Hot surfaces. Risk of burn. Aftercooler, pump head
and surrounding parts are very hot, do not touch (see the Hot
Surfaces identified in Fig. 2). Allow compressor to cool prior to
servicing.
1. Follow procedures 1-6 in
Checking Belt Tension
under
Maintenance.
2. Scribe a mark at the base of the engine on the deck to be
used as a reference.
3. Loosen but do not remove four engine
W
mounting nuts.
4. Loosen but do not remove bolt secur-
ing stiffener bracket to engine.
5. Move the engine to the new mark by
turning the belt tensioning bolt (W)
clockwise until the engine is moved to
the desired postion.
WARNING
: Risk of moving parts. Use
caution when rolling belt onto flywheel,
fingers can get caught between the belt and flywheel.
6. Check the belt tension again. See Step 6 in
Checking Belt
Tension
under
Maintenance
.
7. When tension is correct, torque four engine mounting nuts