Loader Bobcat 773. Manual - part 1

EQUIPPED WITH

BOBCAT INTERLOCK

CONTROL SYSTEM (BICS

TM

)

6900092 (6–97)

Printed in U.S.A.

©

Bobcat Company 1997

(773 S/N 509635001 & Above)

(773 Europe Only S/N 509616001–509634999)

Service

Manual

FOREWORD

This manual is for the Bobcat loader mechanic. It provides necessary servicing and adjustment
procedures for the Bobcat loader and its component parts and systems. Refer to the Operation &
Maintenance Manual for operating instructions, starting procedure, daily checks, etc.

A general inspection of the following items must be made after the loader has had service or repair:

1. Check  that  the  ROPS/FOPS

(Including   sidescreens) is  in
good   condition   and   is   not
modified.

2. Check  that  ROPS   mounting

hardware  is tightened  and  is
Melroe approved.

3. The seat belt must be correctly

installed,   functional   and   in
good condition.

4. The    seat    bar    and    pedal

interlocks   must   be   correctly
adjusted, clean and lubricated.

5. Check lift arm support device,

replace if damaged.

6. Machine signs must be legible

and in the correct location.

7. Steering levers and foot pedals

must return to neutral.

8. Check  for  correct  function of

the work lights.

  9. The     parking     brake     must

function correctly.

10. Enclosure  door  latches  must

open and close freely.

11. Bob–Tach      wedges       and

linkages       must       function
correctly    and    be    in    good
condition.

12. Safety   treads   must   in   good

condition.

13. Check  for  correct  function  of

indicator  lamps  (Optional  on
some models).

14. Check   hydraulic   fluid   level,

engine oil level and fuel supply.

15. Inspect for fuel, oil or hydraulic

fluid leaks.

16. Lubricate the loader.

Revised Jan. 99

WARNING

ii

773 BICS Loader

Service Manual

24. Check  for  correct function  of

the  Bobcat  Interlock  Control
System  (BICS

™

)  before  the

machine  is  returned   to   the
customer.

18. Inspect   the   air   cleaner   for

damage  or  leaks.  Check  the
condition of the element.

19. Check  the electrical charging

system.

20. Check    tires    for    wear    and

pressure.

21. Inspect   for   loose   or   broken

parts or connections.

22. Operate the loader and check

all functions.

23. Check       for       any       field

modification not completed.

Recommend to the owner that all
necessary corrections be made
before the machine is returned to
service.

17. Check   the   condition   of   the

battery and cables.

Revised Jan. 99

773 BICS Loader

iii

Service Manual

773 BICS Loader

v

Service Manual

SAFETY INSTRUCTIONS

The following publications provide information on the safe use and maintenance of the loader and attachments:

•

The Delivery Report is used to assure that complete instructions have been given to the new owner and that the machine
is in safe operating condition.

•

The Operation & Maintenance Manual delivered with the loader gives operating information as well as routine maintenance
and service procedures. It is a part of the loader and must stay with the machine when it is sold. Replacement Operation
& Maintenance Manuals can be ordered from your Bobcat loader dealer.

•

The loader has machine signs (decals) which instruct on the safe operation and care. The signs and their locations are
shown in the Operation & Maintenance Manual. Replacement signs are available from your Bobcat loader dealer.

•

The loader has a plastic Operator’s Handbook fastened to the operator cab. Its brief instructions are convenient to the
operator. The Handbook is available from your dealer in an English edition or one of many other languages. See your Bobcat
dealer for more information on translated versions.

•

The EMI Safety Manual (available in Spanish) delivered with the loader gives general safety information.

•

The Service Manual and Parts Manual are available from your dealer for use by mechanics to do shop–type service and
repair work.

•

The Skid–Steer Loader Operator Training Course is available through your local dealer. This course is intended to provide
rules and practices for correct operation of the Bobcat loader. The course is available in English and Spanish version.

•

The Service Safety Training Course is available from your Bobcat dealer. This course provides information for safe and
correct service procedures for Bobcat Skid–Steer loaders.

•

The Bobcat Skid–Steer Loader Safety Video is available from your Bobcat Dealer.

Safety Alert Symbol: This  symbol  with  a  warning  statement,  means: “Warning, be alert! Your safety is

involved!” Carefully read the message that follows.

SIO5–0299

Revised June 01

W–2003–0199

Instructions are necessary before operating or servicing machine. Read and understand the Operation &
Maintenance Manual, Handbook and signs (decals) on machine. Follow warnings and instructions in the
manuals when making repairs, adjustments or servicing. Check for correct function after adjustments,
repairs or service. Untrained operators and failure to follow instructions can cause injury or death.

Warnings on the machine and in the
manuals are for your safety. Failure to
obey warnings can cause injury or
death.

W–2044–1285

This notice identifies procedures
which must be followed to avoid
damage to the machine.

I–2019–0284