Multiquip CA4HM User Manual download pdf (Page 25)

CA4HM WALK-BEHIND TROWEL — OPERATION MANUAL — REV. #3 (10/28/10) — PAGE 25

Figure 22 Worn Spider Plate

Trowel Arm Adjustment Procedure

level

, clean area to test the trowel prior to and after is essential.

Any unlevel

spots

in the floor or debris under the trowel blades

will give an incorrect perception of adjustment. Ideally, a 5" x 5"

(127mm x 127mm), 0.75 inch (19 mm) thick

flat

steel plate should

be used for testing.

1. To determine which blades need adjustment, place the

trowel in the test area (0.75 inch [19 mm] thick plate) and look

for the following conditions:

■

Pitch the blades as flat as possible and look at the

adjustment bolts

. They should all just make contact

with the

lower wear plate

on the spider. If you can see

that one of them is not making contact, some adjustment

will be necessary.

■

Is the machine wearing out blades unevenly (i.e. one

blade is completely worn out while the others look new)?

Figure 22 below illustrates "

worn spider or bent trowel arms

Check to see that adjustment bolt is barely touching (0.10" max.

clearance) lower wear plate. All alignment bolts should be spaced

the same distance from the lower wear plate.

Figure 23 below illustrates the "

correct alignment

" for a spider

plate (as shipped from the factory).

Figure 23. Correct Spider Plate Alignment

MAINTENANCE SCHEDULE

Daily (8-10 Hours)

1. Check the oil level in the engine crankcase and gear box,

fill as necessary.

2. Check V-belt.

Weekly (50-60 Hours)

1. Relube arms, thrust collar and clutch

2. Replace blades if necessary.

3. Check and clean or replace the engine air filter as

necessary.

4. Replace engine oil and filter as necessary, see engine

manual.

Monthly (200-300 Hours)

1. Remove, clean, reinstall and relube the arms and thrust

collar. Adjust the blade arms.

2. Remove, clean, reinstall clutch.

Yearly (2000-2500 Hours)

1. Check and replace if necessary the arm bushings, thrust

collar bushings and shaft seals.

2. Check pitch control cables for wear.

3. Adjust blade speed.

MAINTENANCE

See the engine manual supplied with your machine for

appropriate engine maintenance schedule and

troubleshooting guide for problems. At the front of the book

there is a “Daily Pre-Operation Checklist ”. Make copies

of this checklist and use it on a daily basis.

NOTICE

The following procedure should be followed to adjust trowel

arms when it becomes apparent that the trowel is finishing

poorly or in need of routine maintenance.

NOTICE

ALWAYS allow the engine to cool before

servicing. NEVER attempt any maintenance

work on a hot

engine.

CAUTION

Disconnect the spark plug wire from the spark plug and

secure away from the engine before performing

maintenance or adjustments on the machine.

CAUTION

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Multiquip CA4HM User Manual Page 25

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