Service Manual User Manual

ManualsBrandsGradall ManualsHoist534B (9020-7317)

Table Of Contents

9020-7317 534B SERVICE MANUAL

Lube No. of

Symbo l Points

Carriage Tilt Cylinder Pivots

Boom Extension Cable Sheave

Boom Slide Bearings (extend boom fully and coat all

wear paths on boom sections 2 and 3 - retract and extend

boom fully three times and wipe excess grease from

bearings)

Boom Hoist Cylinder Pivots

Boom Retraction Cable Sheave

Boom Pivot

Compensating Cylinder Pivots

Boom Head/Carriage Pivot

Carriage Tilt/Machine Level Lever Pivot

Transmission Dipstick (check level & replenish as

req’d)

Engine Dipstick (check level & replenish as

req’d - item 23 is filler port)

Tires (inspect for damage)

Leveling Cylinder Pivots

Front Axle Pivot

Hydraulic Filter Condition Indicator (check with oil

at operating temperature - replace filter as req’d)

Hydraulic Reservoir (check level & replenish as

req’d)

Fuel Tank (fill daily after shut down)

Radiator (check level and replenish as req’d

using proper coolant)

Rear Axle Pivot (front bearing)

King Pins (upper)

King Pins (lower)

Tie Rods (inner pivot)

Planetary Hub

Steering Cylinder Pivots

Tie Rod Pivots (outer)

Idler Arm Pivot

Rear Axle Pivot (rear bearing)

Service Brake Adjustment (check for

minimum of 1" space between fully depressed

brake pedal and floor)

Accelerator Pedal Pivot (under cab)

Brake/Inching Travel Pedal Pivot (under cab)

Boom Lever Linkage (under cab)

Deleted

Weekly or Every 50 Hours

Boom Retraction Cable (inspect cable and replace

if damaged - extend boom about 15 feet and

check tension - should be torqued to 75 ft/lbs)

Boom Extension Cable (inspect cable and replace if

damaged - extend boom fully and then retract a few

feet and check tension - should be torqued to 75 ft/lbs)

Quick Switch Latch

Front Planetary Hub Level Plugs (check level with

arrow pointing down as shown - replenish as req’d) - 2

Brake Master Cylinder Reservoir (under cover

behind cab - check level and replenish as req’d)

Tires (check pressure and adjust as req’d - 55 psi) (on

8000 pound unit, thump check tires for 90% fill

of calcium chloride mixture)

Batteries (check electrolyte level & replenish

as req’d)

Engine Drive Belts (check condition and tension -

adjust or replace as req’d)

Lube No. of

Symbol Points

Front Boom Slide Bearings (check retaining bolt

torque

Front Hub Drain Plugs (dram and refill)

Transmission Drain Plug (drain and refill)

Hydraulic Filter (replace)

Rear Hub Fill/Level/Drain Plugs (drain and refill -

refill with plug at 3 or 9 o’clock position)

Front Axle Differential (drain and refill)

Transmission Filter (replace)

Every 2 Weeks or 100 Hours

Boom Slide Bearings (front lower - check for wear &

shim or replace as req’d - no wear permitted past

bevel - check upper rear bearings when lower front

bearings require service - shims are 1/16" thick)

Parking Brake (check for proper adjustment

turn lever knob clockwise to increase tension)

Engine Crankcase Dram Plug (drain and refill

to level)

Engine Oil Filter (replace)

Engine Air Cleaner (clean elements and check to

be sure vacuator (rubber cone on bottom) is clear

and undamaged)

Drive Shaft Universal Joints

Drive Shaft Spline

Engine Crankcase Breather Tube (check to be sure

it’s clear)

Every 5 Weeks or 250 Hours

Wheel Lug Nuts (check torque - should be 300 - 310

lb-ft on front/325 - 335 lb-ft on rear

Front Axle (check mounting bolt torque - should be

545 - 600 lb-ft)

Transmission Filter (replace)

Every 3 Months or 500 Hours

Transmission Drain Plug (drain and refill to level)

Transmission Screen (clean)

Hydraulic Filter (replace)

Hydraulic Fluid (have hydraulic oil tested)

Fuel Tank (drain sediment)

Engine Fuel Filter (replace)

Transmission Breather (clean)

Engine Intake & Exhaust Valves (adjust)

Every 6 Months or 1000 Hours

Front Planetary Hub Drain Plugs (drain and refill

to level)

Engine Air Cleaner (replace element)

Rear Planetary Hub Drain Plugs (drain and refill

to level)

Front Axle Differential Plug (drain and refill

to level)

Front Axle Differential Breather (clean)

Every Year or 2000 Hours

Hydraulic Reservoir Suction Screen (clean)

Hydraulic System (drain and refill to level)

Fuel Tank Breather/Cap (clean)

Engine Cooling System (drain, flush and refill)

Rear Axle Wheel Spindle Snap Rings. (inspect &

replace as req’d.)

10.

14.

16.

22.

26.

27.

28.

33.

35.

36.

38.

*39

ATF

*To be performed by qualified maintenance personnel in

accordance with service manual instructions.

Daily or Every 10 Hours

At End of First Week

13.

15.

32.

44.

50.

54.

*25

*29

*35

*60

*35

*63

ATF