918070/FP0811
4-17
Printed in U.S.A.
5. Connect one end of the cable to the positive (+) ter-
minal on the booster battery. Connect the other end
of the same cable to terminal (3) on the battery dis-
connect switch.
Figure 4-12 Battery Switch Starter Terminal
6. Connect one end of the second cable to the nega-
tive (-) terminal on the booster battery. Connect the
other end of the same cable to the frame of the
machine to be started.
7. Start the engine. After the engine is running,
remove the cable connected to the frame first. Dis-
connect the other cable from the terminal (3) on the
battery disconnect switch. See Figure 4-11.
8. Staying clear of moving components, carefully
replace boot (7, Figure 4-12) back over terminal
(3) on the battery disconnect switch.
9. Close the engine cover.
Hydraulic System
Checking Hydraulic Oil Level
1. Run the machine until the hydraulic system has
reached operating temperature. Position the
machine on a level surface.
2. Fully extend the bucket and boom, retract arm and
position as shown in Figure 4-13.
3. Lower the bucket and dozer blade to the ground.
Engage the parking brake.
4. Shut off the engine. Remove the ignition key and
take it with you. Lock-out the controls by raising
left control console.
IMPORTANT
DO NOT allow the cable ends to touch when
removing them from the batteries. Arcs and
direct short circuits can cause severe dam-
age to the electrical system of the running
machine.
3
7
6
WARNING
Stay away from moving components when
the engine is running. Use extreme caution
when removing jumper cables and when
replacing boot (7, Figure 4-12) over terminal
(3) on the battery disconnect switch. Severe
injury can result.
WARNING
Hydraulic reservoir is under pressure.
Never use your hands to search for hydrau-
lic fluid leaks; use a piece of paper or card-
board to find leaks. Escaping fluid under
pressure can be invisible and can penetrate
the skin, causing serious injury. If any fluid
is injected into your skin, get immediate
medical attention Injected fluid MUST be
surgically removed or gangrene may result.
Summary of Contents for 503Z
Page 6: ...Printed in U S A iv 918070 FP0811 NOTES ...
Page 28: ...Printed in U S A 1 22 918070 FP0811 INTENTIONALLY BLANK To be removed as dealer s file copy ...
Page 90: ...Printed in U S A 3 44 918070 FP0811 NOTES ...
Page 94: ...Printed in U S A 4 4 918070 FP0811 Maintenance Label ...