Bobcat S150. Service Manual - part 22

 

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Bobcat S150. Service Manual - part 22

 

 

S150 Bobcat Loader

73

Operation & Maintenance Manual

ELECTRICAL SYSTEM (CONT’D)

Removing And Installing The Battery

WARNING

Batteries contain acid which burns eyes and skin on
contact. Wear goggles, protective clothing and
rubber gloves to keep acid off body.

In case of acid contact, wash immediately with water.
In case of eye contact get prompt medical attention
and wash eye with clean, cool water for at least
15 minutes.

If electrolyte is taken internally drink large quantities
of water or milk! DO NOT induce vomiting. Get
prompt medical attention.

W-2065-1296

Open the rear door.

Figure 144

Remove the harness clamp from the positive cable.

Disconnect the negative (-) cable (1) [Figure 144].

Remove the battery hold down clamp (2) [Figure 144].

Disconnect the positive (+) cable (3) [Figure 144] from
the battery.

Remove the battery from the loader.

Figure 145

Always clean the battery terminals and cable ends when
installing a new or used battery [Figure 145].

When installing the battery in the loader, do not touch any
metal parts with the battery terminals.

Connect the negative (-) cable last to prevent sparks.

Connect and tighten the battery cables.

Install and tighten the battery hold down.

WARNING

Keep arcs, sparks flames and lighted tobacco away
from batteries. When jumping
 from booster battery
make final connection (negative) at engine frame.

Do not jump start or charge a frozen or damaged
battery. Warm battery to 16°C (60°F) before
connecting to a charger. Unplug charger before
connecting or disconnecting cables to battery. Never
lean over battery while boosting, testing or charging.

Battery gas can explode and cause serious injury.

W-2066-1296

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P-09590

P-09589

S150 Bobcat Loader
Operation & Maintenance Manual

74

HYDRAULIC / HYDROSTATIC SYSTEM

Checking And Adding Fluid

Use only recommended fluid in the hydraulic system.
(See Hydraulic System on Page 101).

Put the loader on a level surface, lower the lift arms and
tilt the Bob-Tach fully back.

Stop the engine.

Figure 146

Check the fluid level in the sight gauge (1) [Figure 146].

Open the rear door and raise the rear grill. Remove the fill
cap (2[Figure 146].

Add fluid as needed to bring the level to the center of the
sight gauge.

Install the fill cap [Figure 146].

Lower the rear grill and close the rear door.

Replacing Hydraulic/Hydrostatic Filter

For the correct service interval (See SERVICE
SCHEDULE on Page 53).

Raise the operator cab (See Raising The Operator Cab
on Page 56).

Figure 147

Open the rear door.

Remove the filter (1) [Figure 147].

Clean the surface of the filter housing where the filter seal
contacts the housing. 

Put clean oil on the seal of the new filter element. Install
and hand tighten the filter element.

WARNING

Diesel fuel or hydraulic fluid under pressure can
penetrate skin or eyes, causing serious injury or
death. Fluid leaks under pressure may not be visible.
Use a piece of cardboard or wood to find leaks. Do
not use your bare hand. Wear safety goggles. If fluid
enters skin or eyes, get immediate medical attention
from a physician familiar with this injury.

W-2072-0496

Start the engine and operate the loader hydraulic
controls.

Stop the engine and check for leaks at the filter.

Check the fluid level in the reservoir and add as needed.

WARNING

Always clean up spilled fuel or oil. Keep heat, flames,
sparks or lighted tobacco away from fuel and oil.
Failure to use care around combustibles can cause
explosion or fire which can result in injury or death.

W-2103-1285

P-48011

P-45224A

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2

P-48470

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S150 Bobcat Loader

75

Operation & Maintenance Manual

HYDRAULIC / HYDROSTATIC SYSTEM (CONT’D)

Replacing Hydraulic Fluid and Case Drain Filters

For the correct service interval (See SERVICE
SCHEDULE on Page 53).

Replace the fluid if it becomes contaminated or after
major repair.

Always replace the hydraulic/hydrostatic filter (See
Replacing Hydraulic/Hydrostatic Filter on Page 74) an
d
the case drain filters whenever the hydraulic fluid is
replaced.

Open the rear door and remove the fill cap.

Figure 148

Raise the cab. Remove the plug from the top of the
reservoir (1) [Figure 148] then pump the fluid out of the
reservoir and into a container.

WARNING

Always clean up spilled fuel or oil. Keep heat, flames,
sparks or lighted tobacco away from fuel and oil.
Failure to use care around combustibles can cause
explosion or fire which can result in injury or death.

W-2103-1285

Figure 149

Remove both hydrostatic motor covers (1) [Figure 149].

Recycle or dispose of the used fluid in an environmentally
safe manner.

Figure 150

Remove the case drain filters (1) [Figure 150] near the
hydrostatic motors. Disassemble the filter housings,
thoroughly clean and install new filters. Reassemble and
install the case drain filters. Install motor covers.

Recycle or dispose of used fluid in an environmentally
safe manner.

P-24751

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P-45492

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Left Side Shown

P-45493

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P-45499

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S150 Bobcat Loader
Operation & Maintenance Manual

76

HYDRAULIC / HYDROSTATIC SYSTEM (CONT’D)

Hydraulic Breather

Figure 151

Remove and discard the hydraulic breather (1)
[Figure 151]Install new breather. (See SERVICE
SCHEDULE on Page 53)
 for correct interval. Lower the
cab. (See Lowering The Operator Cab on Page 57.)

WARNING

Always clean up spilled fuel or oil. Keep heat, flames,
sparks or lighted tobacco away from fuel and oil.
Failure to use care around combustibles can cause
explosion or fire which can result in injury or death.

W-2103-1285

P-48091

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