SkyTrak 8042 Service Manual - Manual (Page 409)

Engine: Cummins QSB4.5T
7B.42 Model 8042, 10042, 10054 Legacy Rev. 10/03
30. Install the batteries (1), hold-down bracket (2),
threaded hold-down rods (3) and hold-down nuts (4).
31. Connect the positive (+) battery cables (5) and
negative (-) battery cables (6) to the batteries (1).
32. Check that all hydraulic system, electrical system,
cooling system, fuel system, and exhaust system
connections are correct and connected tightly.
33. Have an assistant stand by with a Class B fire
extinguisher. Start and idle the engine.
34. Run engine to normal operating temperature. Visually
check for leaks with the engine running. Check the
coolant level in the overflow bottle and fill or drain as
necessary.
35. Shut off the engine
36. Allow the engine to cool. Check the radiator coolant
level and top off with a 50/50 mixture of ethylene
glycol and water.Allow
37. Check for leaks from the engine, main hydraulic pump
and lines, transmission, hydraulic reservoir and fuel
tank. Check the levels of all fluids and lubricants. Fill
as required.
IMPORTANT: During the full throttle check:
• DO NOT operate any hydraulic function.
• DO NOT steer or apply any pressure to the
steering wheel.
• Keep the transmission in NEUTRAL (N).
38. Obtain and connect an appropriate engine analyzer
or tachometer. Check the engine rpm at full throttle.
If the rpm is not 2550-2650 rpm, readjust the throttle
limit-stop screw at the throttle pedal within the cab.
Refer to Section 4.3.5, c. “Throttle Adjustment.”
39. Purge the hydraulic system of air by operating all
boom functions through their entire range of motion
several times. Check the hydraulic oil level.
40. Check for proper operation of all components.
41. Turn the engine OFF.
7B.12 ENGINE COUPLER
7B.12.1 Coupler and Drive Shaft Removal
1. Level the vehicle, ground the attachment, place the
travel select lever in NEUTRAL (N), and engage the
neutral lock lever, engage the parking brake switch
and shut off the engine.
2. Remove the ignition key. Secure accident prevention
tags to the steering wheel and ignition key switch.
Refer to
Section 1.5, “Accident Prevention Tags.”
3. Disconnect the negative (-) battery cables (6) from the
batteries.
Note: Rotating the fan belt by hand, gives greater
access to removing the drive shaft mounting
capscrews (7).
1. Remove the capscrews (8) and straps (9) that
secure the drive shaft (10) to the transmission yoke
(11). Discard both straps and capscrews.
2. Remove the capscrews and lockwashers (7)
securing the drive shaft (10) to the coupling flange
(12).
Note: It may be necessary to loosen/remove the motor
mounts (20) on either side of the engine to gain access
to the bottom capscrews (13) on the outer half of the
coupler (14). Place a jack under the bell housing (use a
wood block to support engine) and carefully lift the
engine until the bottom edge of the bell housing is at the
top edge of the frame member that mounts the rear axle
to the frame. Watch the fan-to-radiator clearance as you
are lifting the engine. If necessary, turn the fan slightly,
by hand, to gain additional clearance.
3. Remove the capscrews and lockwashers (13)
securing the outer half of the coupler (14).
MH4210 1
2 3
4
5
1 5
6
6
MH5410
7
8
9
10
11
12
13
14